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Finding the Fourth Proportional to 272,114.10, 408,171.15 and 242,046.90

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Solution

The fourth proportional to 272,114.10, 408,171.15 and 242,046.90 is: 363,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,114.10 : 408,171.15 = 242,046.90 : x
  2. Step 2: Convert to fraction form
    272,114.10/408,171.15 = 242,046.90/x
  3. Step 3: Cross multiply
    272,114.10x = 408,171.15 × 242,046.90
  4. Step 4: Simplify right side
    272,114.10x = 98,796,561,526.94
  5. Step 5: Solve for x
    x = 98,796,561,526.94/272,114.10
  6. Step 6: Final answer
    x = 363,070.35

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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.