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Finding the Fourth Proportional to 58,878.78, 88,197.84 and 48,986.22

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Solution

The fourth proportional to 58,878.78, 88,197.84 and 48,986.22 is: 73,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878.78 : 88,197.84 = 48,986.22 : x
  2. Step 2: Convert to fraction form
    58,878.78/88,197.84 = 48,986.22/x
  3. Step 3: Cross multiply
    58,878.78x = 88,197.84 × 48,986.22
  4. Step 4: Simplify right side
    58,878.78x = 4,320,478,793.76
  5. Step 5: Solve for x
    x = 4,320,478,793.76/58,878.78
  6. Step 6: Final answer
    x = 73,379.22

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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.