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Finding the Fourth Proportional to 62,126.80, 93,007.95 and 55,714.03

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Solution

The fourth proportional to 62,126.80, 93,007.95 and 55,714.03 is: 83,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,126.80 : 93,007.95 = 55,714.03 : x
  2. Step 2: Convert to fraction form
    62,126.80/93,007.95 = 55,714.03/x
  3. Step 3: Cross multiply
    62,126.80x = 93,007.95 × 55,714.03
  4. Step 4: Simplify right side
    62,126.80x = 5,181,847,716.54
  5. Step 5: Solve for x
    x = 5,181,847,716.54/62,126.80
  6. Step 6: Final answer
    x = 83,407.61

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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.