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Finding the Fourth Proportional to 267,620.10, 369,320.81 and 146,754.18

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Solution

The fourth proportional to 267,620.10, 369,320.81 and 146,754.18 is: 202,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,620.10 : 369,320.81 = 146,754.18 : x
  2. Step 2: Convert to fraction form
    267,620.10/369,320.81 = 146,754.18/x
  3. Step 3: Cross multiply
    267,620.10x = 369,320.81 × 146,754.18
  4. Step 4: Simplify right side
    267,620.10x = 54,199,371,894.71
  5. Step 5: Solve for x
    x = 54,199,371,894.71/267,620.10
  6. Step 6: Final answer
    x = 202,523.55

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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.