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Finding the Fourth Proportional to 99,846.65, 137,793.98 and 54,528.83

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Solution

The fourth proportional to 99,846.65, 137,793.98 and 54,528.83 is: 75,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,846.65 : 137,793.98 = 54,528.83 : x
  2. Step 2: Convert to fraction form
    99,846.65/137,793.98 = 54,528.83/x
  3. Step 3: Cross multiply
    99,846.65x = 137,793.98 × 54,528.83
  4. Step 4: Simplify right side
    99,846.65x = 7,513,744,510.44
  5. Step 5: Solve for x
    x = 7,513,744,510.44/99,846.65
  6. Step 6: Final answer
    x = 75,252.85

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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.