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Finding the Fourth Proportional to 66,529.30, 99,793.95 and 63,248.80

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Solution

The fourth proportional to 66,529.30, 99,793.95 and 63,248.80 is: 94,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.30 : 99,793.95 = 63,248.80 : x
  2. Step 2: Convert to fraction form
    66,529.30/99,793.95 = 63,248.80/x
  3. Step 3: Cross multiply
    66,529.30x = 99,793.95 × 63,248.80
  4. Step 4: Simplify right side
    66,529.30x = 6,311,847,584.76
  5. Step 5: Solve for x
    x = 6,311,847,584.76/66,529.30
  6. Step 6: Final answer
    x = 94,873.20

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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.