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Finding the Fourth Proportional to 68,168.55, 94,071.87 and 37,953.12

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Solution

The fourth proportional to 68,168.55, 94,071.87 and 37,953.12 is: 52,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,168.55 : 94,071.87 = 37,953.12 : x
  2. Step 2: Convert to fraction form
    68,168.55/94,071.87 = 37,953.12/x
  3. Step 3: Cross multiply
    68,168.55x = 94,071.87 × 37,953.12
  4. Step 4: Simplify right side
    68,168.55x = 3,570,320,970.73
  5. Step 5: Solve for x
    x = 3,570,320,970.73/68,168.55
  6. Step 6: Final answer
    x = 52,374.90

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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.