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Finding the Fourth Proportional to 102,566.80, 153,850.20 and 62,477.20

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Solution

The fourth proportional to 102,566.80, 153,850.20 and 62,477.20 is: 93,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,566.80 : 153,850.20 = 62,477.20 : x
  2. Step 2: Convert to fraction form
    102,566.80/153,850.20 = 62,477.20/x
  3. Step 3: Cross multiply
    102,566.80x = 153,850.20 × 62,477.20
  4. Step 4: Simplify right side
    102,566.80x = 9,612,129,715.44
  5. Step 5: Solve for x
    x = 9,612,129,715.44/102,566.80
  6. Step 6: Final answer
    x = 93,715.80

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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.