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Finding the Fourth Proportional to 58,745.80, 88,118.70 and 29,168.20

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Solution

The fourth proportional to 58,745.80, 88,118.70 and 29,168.20 is: 43,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.80 : 88,118.70 = 29,168.20 : x
  2. Step 2: Convert to fraction form
    58,745.80/88,118.70 = 29,168.20/x
  3. Step 3: Cross multiply
    58,745.80x = 88,118.70 × 29,168.20
  4. Step 4: Simplify right side
    58,745.80x = 2,570,263,865.34
  5. Step 5: Solve for x
    x = 2,570,263,865.34/58,745.80
  6. Step 6: Final answer
    x = 43,752.30

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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.