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Finding the Fourth Proportional to 412,758.95, 619,140.24 and 113,242.95

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Solution

The fourth proportional to 412,758.95, 619,140.24 and 113,242.95 is: 169,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,758.95 : 619,140.24 = 113,242.95 : x
  2. Step 2: Convert to fraction form
    412,758.95/619,140.24 = 113,242.95/x
  3. Step 3: Cross multiply
    412,758.95x = 619,140.24 × 113,242.95
  4. Step 4: Simplify right side
    412,758.95x = 70,113,267,241.31
  5. Step 5: Solve for x
    x = 70,113,267,241.31/412,758.95
  6. Step 6: Final answer
    x = 169,864.93

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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.