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Finding the Fourth Proportional to 86,793.66, 130,180.68 and 58,892.94

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Solution

The fourth proportional to 86,793.66, 130,180.68 and 58,892.94 is: 88,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793.66 : 130,180.68 = 58,892.94 : x
  2. Step 2: Convert to fraction form
    86,793.66/130,180.68 = 58,892.94/x
  3. Step 3: Cross multiply
    86,793.66x = 130,180.68 × 58,892.94
  4. Step 4: Simplify right side
    86,793.66x = 7,666,722,976.40
  5. Step 5: Solve for x
    x = 7,666,722,976.40/86,793.66
  6. Step 6: Final answer
    x = 88,332.75

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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.