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Finding the Fourth Proportional to 60,773.52, 91,159.74 and 19,220.52

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Solution

The fourth proportional to 60,773.52, 91,159.74 and 19,220.52 is: 28,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,773.52 : 91,159.74 = 19,220.52 : x
  2. Step 2: Convert to fraction form
    60,773.52/91,159.74 = 19,220.52/x
  3. Step 3: Cross multiply
    60,773.52x = 91,159.74 × 19,220.52
  4. Step 4: Simplify right side
    60,773.52x = 1,752,137,605.86
  5. Step 5: Solve for x
    x = 1,752,137,605.86/60,773.52
  6. Step 6: Final answer
    x = 28,830.61

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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.