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Finding the Fourth Proportional to 272,014.72, 375,042.88 and 181,171.68

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Solution

The fourth proportional to 272,014.72, 375,042.88 and 181,171.68 is: 249,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,014.72 : 375,042.88 = 181,171.68 : x
  2. Step 2: Convert to fraction form
    272,014.72/375,042.88 = 181,171.68/x
  3. Step 3: Cross multiply
    272,014.72x = 375,042.88 × 181,171.68
  4. Step 4: Simplify right side
    272,014.72x = 67,947,148,641.64
  5. Step 5: Solve for x
    x = 67,947,148,641.64/272,014.72
  6. Step 6: Final answer
    x = 249,792.18

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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.