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Finding the Fourth Proportional to 295,470.47, 443,140.91 and 85,062.71

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Solution

The fourth proportional to 295,470.47, 443,140.91 and 85,062.71 is: 127,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,470.47 : 443,140.91 = 85,062.71 : x
  2. Step 2: Convert to fraction form
    295,470.47/443,140.91 = 85,062.71/x
  3. Step 3: Cross multiply
    295,470.47x = 443,140.91 × 85,062.71
  4. Step 4: Simplify right side
    295,470.47x = 37,694,767,399.00
  5. Step 5: Solve for x
    x = 37,694,767,399.00/295,470.47
  6. Step 6: Final answer
    x = 127,575.41

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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.