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Finding the Fourth Proportional to 122,599.92, 169,207.60 and 114,595.52

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Solution

The fourth proportional to 122,599.92, 169,207.60 and 114,595.52 is: 158,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.92 : 169,207.60 = 114,595.52 : x
  2. Step 2: Convert to fraction form
    122,599.92/169,207.60 = 114,595.52/x
  3. Step 3: Cross multiply
    122,599.92x = 169,207.60 × 114,595.52
  4. Step 4: Simplify right side
    122,599.92x = 19,390,432,909.95
  5. Step 5: Solve for x
    x = 19,390,432,909.95/122,599.92
  6. Step 6: Final answer
    x = 158,160.24

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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.