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Finding the Fourth Proportional to 112,980.48, 169,264.17 and 52,898.73

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Solution

The fourth proportional to 112,980.48, 169,264.17 and 52,898.73 is: 79,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,980.48 : 169,264.17 = 52,898.73 : x
  2. Step 2: Convert to fraction form
    112,980.48/169,264.17 = 52,898.73/x
  3. Step 3: Cross multiply
    112,980.48x = 169,264.17 × 52,898.73
  4. Step 4: Simplify right side
    112,980.48x = 8,953,859,627.50
  5. Step 5: Solve for x
    x = 8,953,859,627.50/112,980.48
  6. Step 6: Final answer
    x = 79,251.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.