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Finding the Fourth Proportional to 107,751.01, 148,686.87 and 62,414.50

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Solution

The fourth proportional to 107,751.01, 148,686.87 and 62,414.50 is: 86,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,751.01 : 148,686.87 = 62,414.50 : x
  2. Step 2: Convert to fraction form
    107,751.01/148,686.87 = 62,414.50/x
  3. Step 3: Cross multiply
    107,751.01x = 148,686.87 × 62,414.50
  4. Step 4: Simplify right side
    107,751.01x = 9,280,216,647.62
  5. Step 5: Solve for x
    x = 9,280,216,647.62/107,751.01
  6. Step 6: Final answer
    x = 86,126.49

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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.