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Finding the Fourth Proportional to 88,441.07, 132,550.87 and 69,646.88

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Solution

The fourth proportional to 88,441.07, 132,550.87 and 69,646.88 is: 104,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,441.07 : 132,550.87 = 69,646.88 : x
  2. Step 2: Convert to fraction form
    88,441.07/132,550.87 = 69,646.88/x
  3. Step 3: Cross multiply
    88,441.07x = 132,550.87 × 69,646.88
  4. Step 4: Simplify right side
    88,441.07x = 9,231,754,048.15
  5. Step 5: Solve for x
    x = 9,231,754,048.15/88,441.07
  6. Step 6: Final answer
    x = 104,383.11

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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.