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Finding the Fourth Proportional to 181,377.60, 272,066.40 and 134,721.60

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Solution

The fourth proportional to 181,377.60, 272,066.40 and 134,721.60 is: 202,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,377.60 : 272,066.40 = 134,721.60 : x
  2. Step 2: Convert to fraction form
    181,377.60/272,066.40 = 134,721.60/x
  3. Step 3: Cross multiply
    181,377.60x = 272,066.40 × 134,721.60
  4. Step 4: Simplify right side
    181,377.60x = 36,653,220,714.24
  5. Step 5: Solve for x
    x = 36,653,220,714.24/181,377.60
  6. Step 6: Final answer
    x = 202,082.40

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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.