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Finding the Fourth Proportional to 63,080.40, 94,426.20 and 36,706.80

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Solution

The fourth proportional to 63,080.40, 94,426.20 and 36,706.80 is: 54,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,080.40 : 94,426.20 = 36,706.80 : x
  2. Step 2: Convert to fraction form
    63,080.40/94,426.20 = 36,706.80/x
  3. Step 3: Cross multiply
    63,080.40x = 94,426.20 × 36,706.80
  4. Step 4: Simplify right side
    63,080.40x = 3,466,083,638.16
  5. Step 5: Solve for x
    x = 3,466,083,638.16/63,080.40
  6. Step 6: Final answer
    x = 54,947.08

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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.