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Finding the Fourth Proportional to 88,074.40, 132,014.40 and 48,659.80

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Solution

The fourth proportional to 88,074.40, 132,014.40 and 48,659.80 is: 72,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.40 : 132,014.40 = 48,659.80 : x
  2. Step 2: Convert to fraction form
    88,074.40/132,014.40 = 48,659.80/x
  3. Step 3: Cross multiply
    88,074.40x = 132,014.40 × 48,659.80
  4. Step 4: Simplify right side
    88,074.40x = 6,423,794,301.12
  5. Step 5: Solve for x
    x = 6,423,794,301.12/88,074.40
  6. Step 6: Final answer
    x = 72,936.00

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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.