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Finding the Fourth Proportional to 268,404.69, 370,398.88 and 147,546.71

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Solution

The fourth proportional to 268,404.69, 370,398.88 and 147,546.71 is: 203,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,404.69 : 370,398.88 = 147,546.71 : x
  2. Step 2: Convert to fraction form
    268,404.69/370,398.88 = 147,546.71/x
  3. Step 3: Cross multiply
    268,404.69x = 370,398.88 × 147,546.71
  4. Step 4: Simplify right side
    268,404.69x = 54,651,137,106.66
  5. Step 5: Solve for x
    x = 54,651,137,106.66/268,404.69
  6. Step 6: Final answer
    x = 203,614.69

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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.