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Finding the Fourth Proportional to 88,955.32, 122,588.76 and 63,761.08

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Solution

The fourth proportional to 88,955.32, 122,588.76 and 63,761.08 is: 87,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,955.32 : 122,588.76 = 63,761.08 : x
  2. Step 2: Convert to fraction form
    88,955.32/122,588.76 = 63,761.08/x
  3. Step 3: Cross multiply
    88,955.32x = 122,588.76 × 63,761.08
  4. Step 4: Simplify right side
    88,955.32x = 7,816,391,733.46
  5. Step 5: Solve for x
    x = 7,816,391,733.46/88,955.32
  6. Step 6: Final answer
    x = 87,868.74

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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.