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Finding the Fourth Proportional to 107,648.83, 148,542.01 and 59,898.79

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Solution

The fourth proportional to 107,648.83, 148,542.01 and 59,898.79 is: 82,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,648.83 : 148,542.01 = 59,898.79 : x
  2. Step 2: Convert to fraction form
    107,648.83/148,542.01 = 59,898.79/x
  3. Step 3: Cross multiply
    107,648.83x = 148,542.01 × 59,898.79
  4. Step 4: Simplify right side
    107,648.83x = 8,897,486,663.17
  5. Step 5: Solve for x
    x = 8,897,486,663.17/107,648.83
  6. Step 6: Final answer
    x = 82,652.89

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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.