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Finding the Fourth Proportional to 122,812.74, 169,483.23 and 69,092.73

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Solution

The fourth proportional to 122,812.74, 169,483.23 and 69,092.73 is: 95,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,812.74 : 169,483.23 = 69,092.73 : x
  2. Step 2: Convert to fraction form
    122,812.74/169,483.23 = 69,092.73/x
  3. Step 3: Cross multiply
    122,812.74x = 169,483.23 × 69,092.73
  4. Step 4: Simplify right side
    122,812.74x = 11,710,059,049.92
  5. Step 5: Solve for x
    x = 11,710,059,049.92/122,812.74
  6. Step 6: Final answer
    x = 95,348.89

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1.5x scale

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.