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Finding the Fourth Proportional to 86,504.60, 129,710.65 and 44,367.48

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Solution

The fourth proportional to 86,504.60, 129,710.65 and 44,367.48 is: 66,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.60 : 129,710.65 = 44,367.48 : x
  2. Step 2: Convert to fraction form
    86,504.60/129,710.65 = 44,367.48/x
  3. Step 3: Cross multiply
    86,504.60x = 129,710.65 × 44,367.48
  4. Step 4: Simplify right side
    86,504.60x = 5,754,934,669.66
  5. Step 5: Solve for x
    x = 5,754,934,669.66/86,504.60
  6. Step 6: Final answer
    x = 66,527.50

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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.