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Finding the Fourth Proportional to 68,194.91, 94,097.95 and 37,980.14

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Solution

The fourth proportional to 68,194.91, 94,097.95 and 37,980.14 is: 52,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,194.91 : 94,097.95 = 37,980.14 : x
  2. Step 2: Convert to fraction form
    68,194.91/94,097.95 = 37,980.14/x
  3. Step 3: Cross multiply
    68,194.91x = 94,097.95 × 37,980.14
  4. Step 4: Simplify right side
    68,194.91x = 3,573,853,492.21
  5. Step 5: Solve for x
    x = 3,573,853,492.21/68,194.91
  6. Step 6: Final answer
    x = 52,406.45

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.