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Finding the Fourth Proportional to 61,179.68, 92,091.92 and 52,159.52

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Solution

The fourth proportional to 61,179.68, 92,091.92 and 52,159.52 is: 78,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.68 : 92,091.92 = 52,159.52 : x
  2. Step 2: Convert to fraction form
    61,179.68/92,091.92 = 52,159.52/x
  3. Step 3: Cross multiply
    61,179.68x = 92,091.92 × 52,159.52
  4. Step 4: Simplify right side
    61,179.68x = 4,803,470,343.08
  5. Step 5: Solve for x
    x = 4,803,470,343.08/61,179.68
  6. Step 6: Final answer
    x = 78,514.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.