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Finding the Fourth Proportional to 295,073.40, 442,502.10 and 95,446.20

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Solution

The fourth proportional to 295,073.40, 442,502.10 and 95,446.20 is: 143,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,073.40 : 442,502.10 = 95,446.20 : x
  2. Step 2: Convert to fraction form
    295,073.40/442,502.10 = 95,446.20/x
  3. Step 3: Cross multiply
    295,073.40x = 442,502.10 × 95,446.20
  4. Step 4: Simplify right side
    295,073.40x = 42,235,143,937.02
  5. Step 5: Solve for x
    x = 42,235,143,937.02/295,073.40
  6. Step 6: Final answer
    x = 143,134.37

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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.