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Finding the Fourth Proportional to 88,680.40, 133,020.60 and 26,350.90

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Solution

The fourth proportional to 88,680.40, 133,020.60 and 26,350.90 is: 39,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.40 : 133,020.60 = 26,350.90 : x
  2. Step 2: Convert to fraction form
    88,680.40/133,020.60 = 26,350.90/x
  3. Step 3: Cross multiply
    88,680.40x = 133,020.60 × 26,350.90
  4. Step 4: Simplify right side
    88,680.40x = 3,505,212,528.54
  5. Step 5: Solve for x
    x = 3,505,212,528.54/88,680.40
  6. Step 6: Final answer
    x = 39,526.35

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1.5x scale

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.