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Finding the Fourth Proportional to 267,626.48, 369,131.72 and 172,041.84

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Solution

The fourth proportional to 267,626.48, 369,131.72 and 172,041.84 is: 237,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,626.48 : 369,131.72 = 172,041.84 : x
  2. Step 2: Convert to fraction form
    267,626.48/369,131.72 = 172,041.84/x
  3. Step 3: Cross multiply
    267,626.48x = 369,131.72 × 172,041.84
  4. Step 4: Simplify right side
    267,626.48x = 63,506,099,450.96
  5. Step 5: Solve for x
    x = 63,506,099,450.96/267,626.48
  6. Step 6: Final answer
    x = 237,293.79

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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.