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Finding the Fourth Proportional to 81,197.16, 112,053.72 and 44,898.66

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Solution

The fourth proportional to 81,197.16, 112,053.72 and 44,898.66 is: 61,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,197.16 : 112,053.72 = 44,898.66 : x
  2. Step 2: Convert to fraction form
    81,197.16/112,053.72 = 44,898.66/x
  3. Step 3: Cross multiply
    81,197.16x = 112,053.72 × 44,898.66
  4. Step 4: Simplify right side
    81,197.16x = 5,031,061,876.02
  5. Step 5: Solve for x
    x = 5,031,061,876.02/81,197.16
  6. Step 6: Final answer
    x = 61,961.06

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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.