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Finding the Fourth Proportional to 107,898.57, 148,899.56 and 62,585.73

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Solution

The fourth proportional to 107,898.57, 148,899.56 and 62,585.73 is: 86,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,898.57 : 148,899.56 = 62,585.73 : x
  2. Step 2: Convert to fraction form
    107,898.57/148,899.56 = 62,585.73/x
  3. Step 3: Cross multiply
    107,898.57x = 148,899.56 × 62,585.73
  4. Step 4: Simplify right side
    107,898.57x = 9,318,987,346.35
  5. Step 5: Solve for x
    x = 9,318,987,346.35/107,898.57
  6. Step 6: Final answer
    x = 86,368.03

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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.