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Finding the Fourth Proportional to 95,443.41, 142,947.10 and 45,558.63

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Solution

The fourth proportional to 95,443.41, 142,947.10 and 45,558.63 is: 68,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,443.41 : 142,947.10 = 45,558.63 : x
  2. Step 2: Convert to fraction form
    95,443.41/142,947.10 = 45,558.63/x
  3. Step 3: Cross multiply
    95,443.41x = 142,947.10 × 45,558.63
  4. Step 4: Simplify right side
    95,443.41x = 6,512,474,095.42
  5. Step 5: Solve for x
    x = 6,512,474,095.42/95,443.41
  6. Step 6: Final answer
    x = 68,233.88

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1.5x scale

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.