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Finding the Fourth Proportional to 248,178.18, 372,126.03 and 169,387.86

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Solution

The fourth proportional to 248,178.18, 372,126.03 and 169,387.86 is: 253,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,178.18 : 372,126.03 = 169,387.86 : x
  2. Step 2: Convert to fraction form
    248,178.18/372,126.03 = 169,387.86/x
  3. Step 3: Cross multiply
    248,178.18x = 372,126.03 × 169,387.86
  4. Step 4: Simplify right side
    248,178.18x = 63,033,631,872.00
  5. Step 5: Solve for x
    x = 63,033,631,872.00/248,178.18
  6. Step 6: Final answer
    x = 253,985.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.