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Finding the Fourth Proportional to 169,280.92, 253,923.54 and 75,767.32

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Solution

The fourth proportional to 169,280.92, 253,923.54 and 75,767.32 is: 113,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,280.92 : 253,923.54 = 75,767.32 : x
  2. Step 2: Convert to fraction form
    169,280.92/253,923.54 = 75,767.32/x
  3. Step 3: Cross multiply
    169,280.92x = 253,923.54 × 75,767.32
  4. Step 4: Simplify right side
    169,280.92x = 19,239,106,110.71
  5. Step 5: Solve for x
    x = 19,239,106,110.71/169,280.92
  6. Step 6: Final answer
    x = 113,651.95

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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.