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Finding the Fourth Proportional to 250,304.28, 375,675.12 and 144,978.36

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Solution

The fourth proportional to 250,304.28, 375,675.12 and 144,978.36 is: 217,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,304.28 : 375,675.12 = 144,978.36 : x
  2. Step 2: Convert to fraction form
    250,304.28/375,675.12 = 144,978.36/x
  3. Step 3: Cross multiply
    250,304.28x = 375,675.12 × 144,978.36
  4. Step 4: Simplify right side
    250,304.28x = 54,464,762,790.40
  5. Step 5: Solve for x
    x = 54,464,762,790.40/250,304.28
  6. Step 6: Final answer
    x = 217,594.21

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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.