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Finding the Fourth Proportional to 89,211.90, 133,810.90 and 33,025.58

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Solution

The fourth proportional to 89,211.90, 133,810.90 and 33,025.58 is: 49,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.90 : 133,810.90 = 33,025.58 : x
  2. Step 2: Convert to fraction form
    89,211.90/133,810.90 = 33,025.58/x
  3. Step 3: Cross multiply
    89,211.90x = 133,810.90 × 33,025.58
  4. Step 4: Simplify right side
    89,211.90x = 4,419,181,831.20
  5. Step 5: Solve for x
    x = 4,419,181,831.20/89,211.90
  6. Step 6: Final answer
    x = 49,535.79

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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.