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Finding the Fourth Proportional to 107,737.86, 148,676.85 and 59,338.88

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Solution

The fourth proportional to 107,737.86, 148,676.85 and 59,338.88 is: 81,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,737.86 : 148,676.85 = 59,338.88 : x
  2. Step 2: Convert to fraction form
    107,737.86/148,676.85 = 59,338.88/x
  3. Step 3: Cross multiply
    107,737.86x = 148,676.85 × 59,338.88
  4. Step 4: Simplify right side
    107,737.86x = 8,822,317,575.08
  5. Step 5: Solve for x
    x = 8,822,317,575.08/107,737.86
  6. Step 6: Final answer
    x = 81,886.88

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1.5x scale

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.