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Finding the Fourth Proportional to 272,017.33, 375,387.31 and 149,523.08

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Solution

The fourth proportional to 272,017.33, 375,387.31 and 149,523.08 is: 206,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,017.33 : 375,387.31 = 149,523.08 : x
  2. Step 2: Convert to fraction form
    272,017.33/375,387.31 = 149,523.08/x
  3. Step 3: Cross multiply
    272,017.33x = 375,387.31 × 149,523.08
  4. Step 4: Simplify right side
    272,017.33x = 56,129,066,784.11
  5. Step 5: Solve for x
    x = 56,129,066,784.11/272,017.33
  6. Step 6: Final answer
    x = 206,343.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.