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Finding the Fourth Proportional to 247,460.94, 341,475.18 and 145,489.74

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Solution

The fourth proportional to 247,460.94, 341,475.18 and 145,489.74 is: 200,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,460.94 : 341,475.18 = 145,489.74 : x
  2. Step 2: Convert to fraction form
    247,460.94/341,475.18 = 145,489.74/x
  3. Step 3: Cross multiply
    247,460.94x = 341,475.18 × 145,489.74
  4. Step 4: Simplify right side
    247,460.94x = 49,681,135,154.65
  5. Step 5: Solve for x
    x = 49,681,135,154.65/247,460.94
  6. Step 6: Final answer
    x = 200,763.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.