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Finding the Fourth Proportional to 259,531.80, 358,086.11 and 152,044.05

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Solution

The fourth proportional to 259,531.80, 358,086.11 and 152,044.05 is: 209,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,531.80 : 358,086.11 = 152,044.05 : x
  2. Step 2: Convert to fraction form
    259,531.80/358,086.11 = 152,044.05/x
  3. Step 3: Cross multiply
    259,531.80x = 358,086.11 × 152,044.05
  4. Step 4: Simplify right side
    259,531.80x = 54,444,861,652.93
  5. Step 5: Solve for x
    x = 54,444,861,652.93/259,531.80
  6. Step 6: Final answer
    x = 209,781.08

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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.