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Finding the Fourth Proportional to 97,479, 134,521.38 and 52,767

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Solution

The fourth proportional to 97,479, 134,521.38 and 52,767 is: 72,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,479 : 134,521.38 = 52,767 : x
  2. Step 2: Convert to fraction form
    97,479/134,521.38 = 52,767/x
  3. Step 3: Cross multiply
    97,479x = 134,521.38 × 52,767
  4. Step 4: Simplify right side
    97,479x = 7,098,289,658.46
  5. Step 5: Solve for x
    x = 7,098,289,658.46/97,479
  6. Step 6: Final answer
    x = 72,818.65

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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.