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Finding the Fourth Proportional to 63,258.86, 87,226.59 and 51,737.90

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Solution

The fourth proportional to 63,258.86, 87,226.59 and 51,737.90 is: 71,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,258.86 : 87,226.59 = 51,737.90 : x
  2. Step 2: Convert to fraction form
    63,258.86/87,226.59 = 51,737.90/x
  3. Step 3: Cross multiply
    63,258.86x = 87,226.59 × 51,737.90
  4. Step 4: Simplify right side
    63,258.86x = 4,512,920,590.76
  5. Step 5: Solve for x
    x = 4,512,920,590.76/63,258.86
  6. Step 6: Final answer
    x = 71,340.53

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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.