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Finding the Fourth Proportional to 63,135.60, 94,703.40 and 36,826.80

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Solution

The fourth proportional to 63,135.60, 94,703.40 and 36,826.80 is: 55,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.60 : 94,703.40 = 36,826.80 : x
  2. Step 2: Convert to fraction form
    63,135.60/94,703.40 = 36,826.80/x
  3. Step 3: Cross multiply
    63,135.60x = 94,703.40 × 36,826.80
  4. Step 4: Simplify right side
    63,135.60x = 3,487,623,171.12
  5. Step 5: Solve for x
    x = 3,487,623,171.12/63,135.60
  6. Step 6: Final answer
    x = 55,240.20

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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.