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Finding the Fourth Proportional to 98,964.80, 148,249.56 and 59,500.52

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Solution

The fourth proportional to 98,964.80, 148,249.56 and 59,500.52 is: 89,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.80 : 148,249.56 = 59,500.52 : x
  2. Step 2: Convert to fraction form
    98,964.80/148,249.56 = 59,500.52/x
  3. Step 3: Cross multiply
    98,964.80x = 148,249.56 × 59,500.52
  4. Step 4: Simplify right side
    98,964.80x = 8,820,925,909.77
  5. Step 5: Solve for x
    x = 8,820,925,909.77/98,964.80
  6. Step 6: Final answer
    x = 89,131.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.