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Finding the Fourth Proportional to 63,212.80, 94,862.40 and 45,697.60

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Solution

The fourth proportional to 63,212.80, 94,862.40 and 45,697.60 is: 68,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.80 : 94,862.40 = 45,697.60 : x
  2. Step 2: Convert to fraction form
    63,212.80/94,862.40 = 45,697.60/x
  3. Step 3: Cross multiply
    63,212.80x = 94,862.40 × 45,697.60
  4. Step 4: Simplify right side
    63,212.80x = 4,334,984,010.24
  5. Step 5: Solve for x
    x = 4,334,984,010.24/63,212.80
  6. Step 6: Final answer
    x = 68,577.63

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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.