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Finding the Fourth Proportional to 341,530.04, 512,319.67 and 131,167.98

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Solution

The fourth proportional to 341,530.04, 512,319.67 and 131,167.98 is: 196,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,530.04 : 512,319.67 = 131,167.98 : x
  2. Step 2: Convert to fraction form
    341,530.04/512,319.67 = 131,167.98/x
  3. Step 3: Cross multiply
    341,530.04x = 512,319.67 × 131,167.98
  4. Step 4: Simplify right side
    341,530.04x = 67,199,935,572.33
  5. Step 5: Solve for x
    x = 67,199,935,572.33/341,530.04
  6. Step 6: Final answer
    x = 196,761.42

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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.