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Finding the Fourth Proportional to 107,008.62, 147,666.63 and 58,610.76

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Solution

The fourth proportional to 107,008.62, 147,666.63 and 58,610.76 is: 80,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008.62 : 147,666.63 = 58,610.76 : x
  2. Step 2: Convert to fraction form
    107,008.62/147,666.63 = 58,610.76/x
  3. Step 3: Cross multiply
    107,008.62x = 147,666.63 × 58,610.76
  4. Step 4: Simplify right side
    107,008.62x = 8,654,852,935.15
  5. Step 5: Solve for x
    x = 8,654,852,935.15/107,008.62
  6. Step 6: Final answer
    x = 80,879.96

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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.