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Finding the Fourth Proportional to 88,664.20, 132,885.40 and 44,303.40

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Solution

The fourth proportional to 88,664.20, 132,885.40 and 44,303.40 is: 66,399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.20 : 132,885.40 = 44,303.40 : x
  2. Step 2: Convert to fraction form
    88,664.20/132,885.40 = 44,303.40/x
  3. Step 3: Cross multiply
    88,664.20x = 132,885.40 × 44,303.40
  4. Step 4: Simplify right side
    88,664.20x = 5,887,275,030.36
  5. Step 5: Solve for x
    x = 5,887,275,030.36/88,664.20
  6. Step 6: Final answer
    x = 66,399.69

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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.