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Finding the Fourth Proportional to 60,523.20, 90,675.45 and 51,775.20

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Solution

The fourth proportional to 60,523.20, 90,675.45 and 51,775.20 is: 77,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,523.20 : 90,675.45 = 51,775.20 : x
  2. Step 2: Convert to fraction form
    60,523.20/90,675.45 = 51,775.20/x
  3. Step 3: Cross multiply
    60,523.20x = 90,675.45 × 51,775.20
  4. Step 4: Simplify right side
    60,523.20x = 4,694,739,558.84
  5. Step 5: Solve for x
    x = 4,694,739,558.84/60,523.20
  6. Step 6: Final answer
    x = 77,569.26

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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.