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Finding the Fourth Proportional to 132,243.62, 182,495.62 and 71,813.76

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Solution

The fourth proportional to 132,243.62, 182,495.62 and 71,813.76 is: 99,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,243.62 : 182,495.62 = 71,813.76 : x
  2. Step 2: Convert to fraction form
    132,243.62/182,495.62 = 71,813.76/x
  3. Step 3: Cross multiply
    132,243.62x = 182,495.62 × 71,813.76
  4. Step 4: Simplify right side
    132,243.62x = 13,105,696,655.73
  5. Step 5: Solve for x
    x = 13,105,696,655.73/132,243.62
  6. Step 6: Final answer
    x = 99,102.68

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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.