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Finding the Fourth Proportional to 250,143.59, 375,119.67 and 123,740.39

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Solution

The fourth proportional to 250,143.59, 375,119.67 and 123,740.39 is: 185,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,143.59 : 375,119.67 = 123,740.39 : x
  2. Step 2: Convert to fraction form
    250,143.59/375,119.67 = 123,740.39/x
  3. Step 3: Cross multiply
    250,143.59x = 375,119.67 × 123,740.39
  4. Step 4: Simplify right side
    250,143.59x = 46,417,454,262.47
  5. Step 5: Solve for x
    x = 46,417,454,262.47/250,143.59
  6. Step 6: Final answer
    x = 185,563.24

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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.