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Finding the Fourth Proportional to 144,503.70, 216,755.55 and 133,098.90

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Solution

The fourth proportional to 144,503.70, 216,755.55 and 133,098.90 is: 199,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503.70 : 216,755.55 = 133,098.90 : x
  2. Step 2: Convert to fraction form
    144,503.70/216,755.55 = 133,098.90/x
  3. Step 3: Cross multiply
    144,503.70x = 216,755.55 × 133,098.90
  4. Step 4: Simplify right side
    144,503.70x = 28,849,925,273.90
  5. Step 5: Solve for x
    x = 28,849,925,273.90/144,503.70
  6. Step 6: Final answer
    x = 199,648.35

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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.