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Finding the Fourth Proportional to 125,784.52, 188,616.48 and 59,168.44

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Solution

The fourth proportional to 125,784.52, 188,616.48 and 59,168.44 is: 88,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,784.52 : 188,616.48 = 59,168.44 : x
  2. Step 2: Convert to fraction form
    125,784.52/188,616.48 = 59,168.44/x
  3. Step 3: Cross multiply
    125,784.52x = 188,616.48 × 59,168.44
  4. Step 4: Simplify right side
    125,784.52x = 11,160,142,879.89
  5. Step 5: Solve for x
    x = 11,160,142,879.89/125,784.52
  6. Step 6: Final answer
    x = 88,724.30

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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.