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Finding the Fourth Proportional to 251,448.57, 377,541.95 and 157,080.87

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Solution

The fourth proportional to 251,448.57, 377,541.95 and 157,080.87 is: 235,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,448.57 : 377,541.95 = 157,080.87 : x
  2. Step 2: Convert to fraction form
    251,448.57/377,541.95 = 157,080.87/x
  3. Step 3: Cross multiply
    251,448.57x = 377,541.95 × 157,080.87
  4. Step 4: Simplify right side
    251,448.57x = 59,304,617,182.09
  5. Step 5: Solve for x
    x = 59,304,617,182.09/251,448.57
  6. Step 6: Final answer
    x = 235,851.88

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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.