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Finding the Fourth Proportional to 367,210.78, 550,871.67 and 130,497.19

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Solution

The fourth proportional to 367,210.78, 550,871.67 and 130,497.19 is: 195,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,210.78 : 550,871.67 = 130,497.19 : x
  2. Step 2: Convert to fraction form
    367,210.78/550,871.67 = 130,497.19/x
  3. Step 3: Cross multiply
    367,210.78x = 550,871.67 × 130,497.19
  4. Step 4: Simplify right side
    367,210.78x = 71,887,204,985.61
  5. Step 5: Solve for x
    x = 71,887,204,985.61/367,210.78
  6. Step 6: Final answer
    x = 195,765.51

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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.