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Finding the Fourth Proportional to 169,874.73, 254,812.14 and 49,931.70

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Solution

The fourth proportional to 169,874.73, 254,812.14 and 49,931.70 is: 74,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,874.73 : 254,812.14 = 49,931.70 : x
  2. Step 2: Convert to fraction form
    169,874.73/254,812.14 = 49,931.70/x
  3. Step 3: Cross multiply
    169,874.73x = 254,812.14 × 49,931.70
  4. Step 4: Simplify right side
    169,874.73x = 12,723,203,330.84
  5. Step 5: Solve for x
    x = 12,723,203,330.84/169,874.73
  6. Step 6: Final answer
    x = 74,897.56

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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.