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Finding the Fourth Proportional to 132,562.59, 182,933.39 and 72,133.40

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Solution

The fourth proportional to 132,562.59, 182,933.39 and 72,133.40 is: 99,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,562.59 : 182,933.39 = 72,133.40 : x
  2. Step 2: Convert to fraction form
    132,562.59/182,933.39 = 72,133.40/x
  3. Step 3: Cross multiply
    132,562.59x = 182,933.39 × 72,133.40
  4. Step 4: Simplify right side
    132,562.59x = 13,195,607,626.14
  5. Step 5: Solve for x
    x = 13,195,607,626.14/132,562.59
  6. Step 6: Final answer
    x = 99,542.47

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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.