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Finding the Fourth Proportional to 88,309.80, 132,416.10 and 35,659.80

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Solution

The fourth proportional to 88,309.80, 132,416.10 and 35,659.80 is: 53,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.80 : 132,416.10 = 35,659.80 : x
  2. Step 2: Convert to fraction form
    88,309.80/132,416.10 = 35,659.80/x
  3. Step 3: Cross multiply
    88,309.80x = 132,416.10 × 35,659.80
  4. Step 4: Simplify right side
    88,309.80x = 4,721,931,642.78
  5. Step 5: Solve for x
    x = 4,721,931,642.78/88,309.80
  6. Step 6: Final answer
    x = 53,470.08

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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.