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Finding the Fourth Proportional to 58,822.80, 88,234.20 and 52,990.80

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Solution

The fourth proportional to 58,822.80, 88,234.20 and 52,990.80 is: 79,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,822.80 : 88,234.20 = 52,990.80 : x
  2. Step 2: Convert to fraction form
    58,822.80/88,234.20 = 52,990.80/x
  3. Step 3: Cross multiply
    58,822.80x = 88,234.20 × 52,990.80
  4. Step 4: Simplify right side
    58,822.80x = 4,675,600,845.36
  5. Step 5: Solve for x
    x = 4,675,600,845.36/58,822.80
  6. Step 6: Final answer
    x = 79,486.20

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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.