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Finding the Fourth Proportional to 63,190.80, 94,822.92 and 38,280.60

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Solution

The fourth proportional to 63,190.80, 94,822.92 and 38,280.60 is: 57,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.80 : 94,822.92 = 38,280.60 : x
  2. Step 2: Convert to fraction form
    63,190.80/94,822.92 = 38,280.60/x
  3. Step 3: Cross multiply
    63,190.80x = 94,822.92 × 38,280.60
  4. Step 4: Simplify right side
    63,190.80x = 3,629,878,271.35
  5. Step 5: Solve for x
    x = 3,629,878,271.35/63,190.80
  6. Step 6: Final answer
    x = 57,443.14

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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.