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Finding the Fourth Proportional to 88,056.40, 131,911.80 and 52,891.60

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Solution

The fourth proportional to 88,056.40, 131,911.80 and 52,891.60 is: 79,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,056.40 : 131,911.80 = 52,891.60 : x
  2. Step 2: Convert to fraction form
    88,056.40/131,911.80 = 52,891.60/x
  3. Step 3: Cross multiply
    88,056.40x = 131,911.80 × 52,891.60
  4. Step 4: Simplify right side
    88,056.40x = 6,977,026,160.88
  5. Step 5: Solve for x
    x = 6,977,026,160.88/88,056.40
  6. Step 6: Final answer
    x = 79,233.61

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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.