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Finding the Fourth Proportional to 58,965.20, 88,204.80 and 53,774.72

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Solution

The fourth proportional to 58,965.20, 88,204.80 and 53,774.72 is: 80,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,965.20 : 88,204.80 = 53,774.72 : x
  2. Step 2: Convert to fraction form
    58,965.20/88,204.80 = 53,774.72/x
  3. Step 3: Cross multiply
    58,965.20x = 88,204.80 × 53,774.72
  4. Step 4: Simplify right side
    58,965.20x = 4,743,188,422.66
  5. Step 5: Solve for x
    x = 4,743,188,422.66/58,965.20
  6. Step 6: Final answer
    x = 80,440.47

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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.