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Finding the Fourth Proportional to 144,029.70, 216,044.55 and 132,624.90

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Solution

The fourth proportional to 144,029.70, 216,044.55 and 132,624.90 is: 198,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.70 : 216,044.55 = 132,624.90 : x
  2. Step 2: Convert to fraction form
    144,029.70/216,044.55 = 132,624.90/x
  3. Step 3: Cross multiply
    144,029.70x = 216,044.55 × 132,624.90
  4. Step 4: Simplify right side
    144,029.70x = 28,652,886,839.30
  5. Step 5: Solve for x
    x = 28,652,886,839.30/144,029.70
  6. Step 6: Final answer
    x = 198,937.35

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1.5x scale

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.