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Finding the Fourth Proportional to 332,877.15, 499,304.79 and 133,143.93

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Solution

The fourth proportional to 332,877.15, 499,304.79 and 133,143.93 is: 199,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,877.15 : 499,304.79 = 133,143.93 : x
  2. Step 2: Convert to fraction form
    332,877.15/499,304.79 = 133,143.93/x
  3. Step 3: Cross multiply
    332,877.15x = 499,304.79 × 133,143.93
  4. Step 4: Simplify right side
    332,877.15x = 66,479,402,008.42
  5. Step 5: Solve for x
    x = 66,479,402,008.42/332,877.15
  6. Step 6: Final answer
    x = 199,711.52

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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.