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Finding the Fourth Proportional to 225,048.69, 310,565.48 and 123,073.74

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Solution

The fourth proportional to 225,048.69, 310,565.48 and 123,073.74 is: 169,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,048.69 : 310,565.48 = 123,073.74 : x
  2. Step 2: Convert to fraction form
    225,048.69/310,565.48 = 123,073.74/x
  3. Step 3: Cross multiply
    225,048.69x = 310,565.48 × 123,073.74
  4. Step 4: Simplify right side
    225,048.69x = 38,222,454,523.13
  5. Step 5: Solve for x
    x = 38,222,454,523.13/225,048.69
  6. Step 6: Final answer
    x = 169,840.82

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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.