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Finding the Fourth Proportional to 107,752.64, 148,696.32 and 59,355.92

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Solution

The fourth proportional to 107,752.64, 148,696.32 and 59,355.92 is: 81,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,752.64 : 148,696.32 = 59,355.92 : x
  2. Step 2: Convert to fraction form
    107,752.64/148,696.32 = 59,355.92/x
  3. Step 3: Cross multiply
    107,752.64x = 148,696.32 × 59,355.92
  4. Step 4: Simplify right side
    107,752.64x = 8,826,006,874.21
  5. Step 5: Solve for x
    x = 8,826,006,874.21/107,752.64
  6. Step 6: Final answer
    x = 81,909.89

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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.