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Finding the Fourth Proportional to 274,655.80, 412,207.18 and 141,574.11

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Solution

The fourth proportional to 274,655.80, 412,207.18 and 141,574.11 is: 212,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,655.80 : 412,207.18 = 141,574.11 : x
  2. Step 2: Convert to fraction form
    274,655.80/412,207.18 = 141,574.11/x
  3. Step 3: Cross multiply
    274,655.80x = 412,207.18 × 141,574.11
  4. Step 4: Simplify right side
    274,655.80x = 58,357,864,644.11
  5. Step 5: Solve for x
    x = 58,357,864,644.11/274,655.80
  6. Step 6: Final answer
    x = 212,476.36

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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.