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Finding the Fourth Proportional to 107,577, 148,456.26 and 62,865

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Solution

The fourth proportional to 107,577, 148,456.26 and 62,865 is: 86,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,577 : 148,456.26 = 62,865 : x
  2. Step 2: Convert to fraction form
    107,577/148,456.26 = 62,865/x
  3. Step 3: Cross multiply
    107,577x = 148,456.26 × 62,865
  4. Step 4: Simplify right side
    107,577x = 9,332,702,784.90
  5. Step 5: Solve for x
    x = 9,332,702,784.90/107,577
  6. Step 6: Final answer
    x = 86,753.70

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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.