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Finding the Fourth Proportional to 71,460.53, 98,614.86 and 39,194.49

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Solution

The fourth proportional to 71,460.53, 98,614.86 and 39,194.49 is: 54,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460.53 : 98,614.86 = 39,194.49 : x
  2. Step 2: Convert to fraction form
    71,460.53/98,614.86 = 39,194.49/x
  3. Step 3: Cross multiply
    71,460.53x = 98,614.86 × 39,194.49
  4. Step 4: Simplify right side
    71,460.53x = 3,865,158,701.61
  5. Step 5: Solve for x
    x = 3,865,158,701.61/71,460.53
  6. Step 6: Final answer
    x = 54,088.02

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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.