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Finding the Fourth Proportional to 107,008.46, 147,676.46 and 58,613.79

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Solution

The fourth proportional to 107,008.46, 147,676.46 and 58,613.79 is: 80,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008.46 : 147,676.46 = 58,613.79 : x
  2. Step 2: Convert to fraction form
    107,008.46/147,676.46 = 58,613.79/x
  3. Step 3: Cross multiply
    107,008.46x = 147,676.46 × 58,613.79
  4. Step 4: Simplify right side
    107,008.46x = 8,655,876,721.31
  5. Step 5: Solve for x
    x = 8,655,876,721.31/107,008.46
  6. Step 6: Final answer
    x = 80,889.65

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1.5x scale

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.