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Finding the Fourth Proportional to 89,295.28, 133,938.54 and 33,146.32

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Solution

The fourth proportional to 89,295.28, 133,938.54 and 33,146.32 is: 49,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,295.28 : 133,938.54 = 33,146.32 : x
  2. Step 2: Convert to fraction form
    89,295.28/133,938.54 = 33,146.32/x
  3. Step 3: Cross multiply
    89,295.28x = 133,938.54 × 33,146.32
  4. Step 4: Simplify right side
    89,295.28x = 4,439,569,707.17
  5. Step 5: Solve for x
    x = 4,439,569,707.17/89,295.28
  6. Step 6: Final answer
    x = 49,717.85

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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.