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Finding the Fourth Proportional to 132,000.91, 182,160.15 and 74,651.50

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Solution

The fourth proportional to 132,000.91, 182,160.15 and 74,651.50 is: 103,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.91 : 182,160.15 = 74,651.50 : x
  2. Step 2: Convert to fraction form
    132,000.91/182,160.15 = 74,651.50/x
  3. Step 3: Cross multiply
    132,000.91x = 182,160.15 × 74,651.50
  4. Step 4: Simplify right side
    132,000.91x = 13,598,528,437.73
  5. Step 5: Solve for x
    x = 13,598,528,437.73/132,000.91
  6. Step 6: Final answer
    x = 103,018.44

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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.