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Finding the Fourth Proportional to 97,479.60, 134,520.60 and 52,767.60

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Solution

The fourth proportional to 97,479.60, 134,520.60 and 52,767.60 is: 72,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,479.60 : 134,520.60 = 52,767.60 : x
  2. Step 2: Convert to fraction form
    97,479.60/134,520.60 = 52,767.60/x
  3. Step 3: Cross multiply
    97,479.60x = 134,520.60 × 52,767.60
  4. Step 4: Simplify right side
    97,479.60x = 7,098,329,212.56
  5. Step 5: Solve for x
    x = 7,098,329,212.56/97,479.60
  6. Step 6: Final answer
    x = 72,818.61

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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.