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Finding the Fourth Proportional to 94,003.80, 129,808.65 and 63,901.11

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Solution

The fourth proportional to 94,003.80, 129,808.65 and 63,901.11 is: 88,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,003.80 : 129,808.65 = 63,901.11 : x
  2. Step 2: Convert to fraction form
    94,003.80/129,808.65 = 63,901.11/x
  3. Step 3: Cross multiply
    94,003.80x = 129,808.65 × 63,901.11
  4. Step 4: Simplify right side
    94,003.80x = 8,294,916,822.60
  5. Step 5: Solve for x
    x = 8,294,916,822.60/94,003.80
  6. Step 6: Final answer
    x = 88,240.23

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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.