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Finding the Fourth Proportional to 58,793.20, 88,060.20 and 51,017.20

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Solution

The fourth proportional to 58,793.20, 88,060.20 and 51,017.20 is: 76,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,793.20 : 88,060.20 = 51,017.20 : x
  2. Step 2: Convert to fraction form
    58,793.20/88,060.20 = 51,017.20/x
  3. Step 3: Cross multiply
    58,793.20x = 88,060.20 × 51,017.20
  4. Step 4: Simplify right side
    58,793.20x = 4,492,584,835.44
  5. Step 5: Solve for x
    x = 4,492,584,835.44/58,793.20
  6. Step 6: Final answer
    x = 76,413.34

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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.