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Finding the Fourth Proportional to 259,077.52, 357,521.59 and 144,355.70

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Solution

The fourth proportional to 259,077.52, 357,521.59 and 144,355.70 is: 199,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,077.52 : 357,521.59 = 144,355.70 : x
  2. Step 2: Convert to fraction form
    259,077.52/357,521.59 = 144,355.70/x
  3. Step 3: Cross multiply
    259,077.52x = 357,521.59 × 144,355.70
  4. Step 4: Simplify right side
    259,077.52x = 51,610,279,922.48
  5. Step 5: Solve for x
    x = 51,610,279,922.48/259,077.52
  6. Step 6: Final answer
    x = 199,207.87

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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.