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Finding the Fourth Proportional to 88,695.40, 133,043.10 and 41,310.40

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Solution

The fourth proportional to 88,695.40, 133,043.10 and 41,310.40 is: 61,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,695.40 : 133,043.10 = 41,310.40 : x
  2. Step 2: Convert to fraction form
    88,695.40/133,043.10 = 41,310.40/x
  3. Step 3: Cross multiply
    88,695.40x = 133,043.10 × 41,310.40
  4. Step 4: Simplify right side
    88,695.40x = 5,496,063,678.24
  5. Step 5: Solve for x
    x = 5,496,063,678.24/88,695.40
  6. Step 6: Final answer
    x = 61,965.60

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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.