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Finding the Fourth Proportional to 107,892.96, 148,893.60 and 62,581.44

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Solution

The fourth proportional to 107,892.96, 148,893.60 and 62,581.44 is: 86,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892.96 : 148,893.60 = 62,581.44 : x
  2. Step 2: Convert to fraction form
    107,892.96/148,893.60 = 62,581.44/x
  3. Step 3: Cross multiply
    107,892.96x = 148,893.60 × 62,581.44
  4. Step 4: Simplify right side
    107,892.96x = 9,317,975,894.78
  5. Step 5: Solve for x
    x = 9,317,975,894.78/107,892.96
  6. Step 6: Final answer
    x = 86,363.15

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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.