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Finding the Fourth Proportional to 358,471.17, 537,755.96 and 121,750.29

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Solution

The fourth proportional to 358,471.17, 537,755.96 and 121,750.29 is: 182,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,471.17 : 537,755.96 = 121,750.29 : x
  2. Step 2: Convert to fraction form
    358,471.17/537,755.96 = 121,750.29/x
  3. Step 3: Cross multiply
    358,471.17x = 537,755.96 × 121,750.29
  4. Step 4: Simplify right side
    358,471.17x = 65,471,944,383.60
  5. Step 5: Solve for x
    x = 65,471,944,383.60/358,471.17
  6. Step 6: Final answer
    x = 182,642.15

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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.