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Finding the Fourth Proportional to 181,374.20, 272,061.30 and 169,623.80

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Solution

The fourth proportional to 181,374.20, 272,061.30 and 169,623.80 is: 254,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,374.20 : 272,061.30 = 169,623.80 : x
  2. Step 2: Convert to fraction form
    181,374.20/272,061.30 = 169,623.80/x
  3. Step 3: Cross multiply
    181,374.20x = 272,061.30 × 169,623.80
  4. Step 4: Simplify right side
    181,374.20x = 46,148,071,538.94
  5. Step 5: Solve for x
    x = 46,148,071,538.94/181,374.20
  6. Step 6: Final answer
    x = 254,435.70

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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.