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Finding the Fourth Proportional to 132,491.25, 182,760.12 and 83,354.76

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Solution

The fourth proportional to 132,491.25, 182,760.12 and 83,354.76 is: 114,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,491.25 : 182,760.12 = 83,354.76 : x
  2. Step 2: Convert to fraction form
    132,491.25/182,760.12 = 83,354.76/x
  3. Step 3: Cross multiply
    132,491.25x = 182,760.12 × 83,354.76
  4. Step 4: Simplify right side
    132,491.25x = 15,233,925,940.17
  5. Step 5: Solve for x
    x = 15,233,925,940.17/132,491.25
  6. Step 6: Final answer
    x = 114,980.62

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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.