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Finding the Fourth Proportional to 170,873.31, 256,353.72 and 52,545.69

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Solution

The fourth proportional to 170,873.31, 256,353.72 and 52,545.69 is: 78,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,873.31 : 256,353.72 = 52,545.69 : x
  2. Step 2: Convert to fraction form
    170,873.31/256,353.72 = 52,545.69/x
  3. Step 3: Cross multiply
    170,873.31x = 256,353.72 × 52,545.69
  4. Step 4: Simplify right side
    170,873.31x = 13,470,283,101.47
  5. Step 5: Solve for x
    x = 13,470,283,101.47/170,873.31
  6. Step 6: Final answer
    x = 78,831.99

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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.