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Finding the Fourth Proportional to 88,373.58, 121,959.81 and 50,647.92

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Solution

The fourth proportional to 88,373.58, 121,959.81 and 50,647.92 is: 69,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,373.58 : 121,959.81 = 50,647.92 : x
  2. Step 2: Convert to fraction form
    88,373.58/121,959.81 = 50,647.92/x
  3. Step 3: Cross multiply
    88,373.58x = 121,959.81 × 50,647.92
  4. Step 4: Simplify right side
    88,373.58x = 6,177,010,700.10
  5. Step 5: Solve for x
    x = 6,177,010,700.10/88,373.58
  6. Step 6: Final answer
    x = 69,896.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.