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Finding the Fourth Proportional to 252,711.76, 348,596.04 and 163,287.76

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Solution

The fourth proportional to 252,711.76, 348,596.04 and 163,287.76 is: 225,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,711.76 : 348,596.04 = 163,287.76 : x
  2. Step 2: Convert to fraction form
    252,711.76/348,596.04 = 163,287.76/x
  3. Step 3: Cross multiply
    252,711.76x = 348,596.04 × 163,287.76
  4. Step 4: Simplify right side
    252,711.76x = 56,921,466,516.47
  5. Step 5: Solve for x
    x = 56,921,466,516.47/252,711.76
  6. Step 6: Final answer
    x = 225,242.65

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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.