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Finding the Fourth Proportional to 63,151.76, 87,148.68 and 34,856.84

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Solution

The fourth proportional to 63,151.76, 87,148.68 and 34,856.84 is: 48,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,151.76 : 87,148.68 = 34,856.84 : x
  2. Step 2: Convert to fraction form
    63,151.76/87,148.68 = 34,856.84/x
  3. Step 3: Cross multiply
    63,151.76x = 87,148.68 × 34,856.84
  4. Step 4: Simplify right side
    63,151.76x = 3,037,727,594.97
  5. Step 5: Solve for x
    x = 3,037,727,594.97/63,151.76
  6. Step 6: Final answer
    x = 48,102.03

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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.