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Finding the Fourth Proportional to 91,864.80, 137,801.52 and 32,700.96

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Solution

The fourth proportional to 91,864.80, 137,801.52 and 32,700.96 is: 49,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.80 : 137,801.52 = 32,700.96 : x
  2. Step 2: Convert to fraction form
    91,864.80/137,801.52 = 32,700.96/x
  3. Step 3: Cross multiply
    91,864.80x = 137,801.52 × 32,700.96
  4. Step 4: Simplify right side
    91,864.80x = 4,506,241,993.46
  5. Step 5: Solve for x
    x = 4,506,241,993.46/91,864.80
  6. Step 6: Final answer
    x = 49,052.98

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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.