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Finding the Fourth Proportional to 84,915.58, 127,252.68 and 62,553.10

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Solution

The fourth proportional to 84,915.58, 127,252.68 and 62,553.10 is: 93,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.58 : 127,252.68 = 62,553.10 : x
  2. Step 2: Convert to fraction form
    84,915.58/127,252.68 = 62,553.10/x
  3. Step 3: Cross multiply
    84,915.58x = 127,252.68 × 62,553.10
  4. Step 4: Simplify right side
    84,915.58x = 7,960,049,617.31
  5. Step 5: Solve for x
    x = 7,960,049,617.31/84,915.58
  6. Step 6: Final answer
    x = 93,740.74

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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.