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Finding the Fourth Proportional to 89,144.40, 133,651.80 and 36,526.80

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Solution

The fourth proportional to 89,144.40, 133,651.80 and 36,526.80 is: 54,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,144.40 : 133,651.80 = 36,526.80 : x
  2. Step 2: Convert to fraction form
    89,144.40/133,651.80 = 36,526.80/x
  3. Step 3: Cross multiply
    89,144.40x = 133,651.80 × 36,526.80
  4. Step 4: Simplify right side
    89,144.40x = 4,881,872,568.24
  5. Step 5: Solve for x
    x = 4,881,872,568.24/89,144.40
  6. Step 6: Final answer
    x = 54,763.65

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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.