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Finding the Fourth Proportional to 181,950.72, 272,874.24 and 115,290.24

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Solution

The fourth proportional to 181,950.72, 272,874.24 and 115,290.24 is: 172,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,950.72 : 272,874.24 = 115,290.24 : x
  2. Step 2: Convert to fraction form
    181,950.72/272,874.24 = 115,290.24/x
  3. Step 3: Cross multiply
    181,950.72x = 272,874.24 × 115,290.24
  4. Step 4: Simplify right side
    181,950.72x = 31,459,736,619.42
  5. Step 5: Solve for x
    x = 31,459,736,619.42/181,950.72
  6. Step 6: Final answer
    x = 172,902.51

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1.5x scale

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.