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Finding the Fourth Proportional to 68,189.52, 94,101.24 and 37,975.20

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Solution

The fourth proportional to 68,189.52, 94,101.24 and 37,975.20 is: 52,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.52 : 94,101.24 = 37,975.20 : x
  2. Step 2: Convert to fraction form
    68,189.52/94,101.24 = 37,975.20/x
  3. Step 3: Cross multiply
    68,189.52x = 94,101.24 × 37,975.20
  4. Step 4: Simplify right side
    68,189.52x = 3,573,513,409.25
  5. Step 5: Solve for x
    x = 3,573,513,409.25/68,189.52
  6. Step 6: Final answer
    x = 52,405.61

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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.