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Finding the Fourth Proportional to 259,175.95, 357,666.39 and 144,451.39

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Solution

The fourth proportional to 259,175.95, 357,666.39 and 144,451.39 is: 199,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,175.95 : 357,666.39 = 144,451.39 : x
  2. Step 2: Convert to fraction form
    259,175.95/357,666.39 = 144,451.39/x
  3. Step 3: Cross multiply
    259,175.95x = 357,666.39 × 144,451.39
  4. Step 4: Simplify right side
    259,175.95x = 51,665,407,191.78
  5. Step 5: Solve for x
    x = 51,665,407,191.78/259,175.95
  6. Step 6: Final answer
    x = 199,344.91

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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.