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Finding the Fourth Proportional to 349,791.35, 524,703.42 and 113,152.55

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Solution

The fourth proportional to 349,791.35, 524,703.42 and 113,152.55 is: 169,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,791.35 : 524,703.42 = 113,152.55 : x
  2. Step 2: Convert to fraction form
    349,791.35/524,703.42 = 113,152.55/x
  3. Step 3: Cross multiply
    349,791.35x = 524,703.42 × 113,152.55
  4. Step 4: Simplify right side
    349,791.35x = 59,371,527,343.20
  5. Step 5: Solve for x
    x = 59,371,527,343.20/349,791.35
  6. Step 6: Final answer
    x = 169,734.12

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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.