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Finding the Fourth Proportional to 181,502.40, 272,253.60 and 178,003.20

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Solution

The fourth proportional to 181,502.40, 272,253.60 and 178,003.20 is: 267,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,502.40 : 272,253.60 = 178,003.20 : x
  2. Step 2: Convert to fraction form
    181,502.40/272,253.60 = 178,003.20/x
  3. Step 3: Cross multiply
    181,502.40x = 272,253.60 × 178,003.20
  4. Step 4: Simplify right side
    181,502.40x = 48,462,012,011.52
  5. Step 5: Solve for x
    x = 48,462,012,011.52/181,502.40
  6. Step 6: Final answer
    x = 267,004.80

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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.