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Finding the Fourth Proportional to 181,402.80, 272,104.20 and 102,670.80

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Solution

The fourth proportional to 181,402.80, 272,104.20 and 102,670.80 is: 154,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.80 : 272,104.20 = 102,670.80 : x
  2. Step 2: Convert to fraction form
    181,402.80/272,104.20 = 102,670.80/x
  3. Step 3: Cross multiply
    181,402.80x = 272,104.20 × 102,670.80
  4. Step 4: Simplify right side
    181,402.80x = 27,937,155,897.36
  5. Step 5: Solve for x
    x = 27,937,155,897.36/181,402.80
  6. Step 6: Final answer
    x = 154,006.20

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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.