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Finding the Fourth Proportional to 144,046.30, 215,559.15 and 125,529.70

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Solution

The fourth proportional to 144,046.30, 215,559.15 and 125,529.70 is: 187,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,046.30 : 215,559.15 = 125,529.70 : x
  2. Step 2: Convert to fraction form
    144,046.30/215,559.15 = 125,529.70/x
  3. Step 3: Cross multiply
    144,046.30x = 215,559.15 × 125,529.70
  4. Step 4: Simplify right side
    144,046.30x = 27,059,075,431.76
  5. Step 5: Solve for x
    x = 27,059,075,431.76/144,046.30
  6. Step 6: Final answer
    x = 187,849.85

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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.