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Finding the Fourth Proportional to 168,915.80, 253,473.54 and 62,374.38

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Solution

The fourth proportional to 168,915.80, 253,473.54 and 62,374.38 is: 93,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,915.80 : 253,473.54 = 62,374.38 : x
  2. Step 2: Convert to fraction form
    168,915.80/253,473.54 = 62,374.38/x
  3. Step 3: Cross multiply
    168,915.80x = 253,473.54 × 62,374.38
  4. Step 4: Simplify right side
    168,915.80x = 15,810,253,719.48
  5. Step 5: Solve for x
    x = 15,810,253,719.48/168,915.80
  6. Step 6: Final answer
    x = 93,598.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.