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Finding the Fourth Proportional to 109,250.92, 150,769.20 and 61,506.08

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Solution

The fourth proportional to 109,250.92, 150,769.20 and 61,506.08 is: 84,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,250.92 : 150,769.20 = 61,506.08 : x
  2. Step 2: Convert to fraction form
    109,250.92/150,769.20 = 61,506.08/x
  3. Step 3: Cross multiply
    109,250.92x = 150,769.20 × 61,506.08
  4. Step 4: Simplify right side
    109,250.92x = 9,273,222,476.74
  5. Step 5: Solve for x
    x = 9,273,222,476.74/109,250.92
  6. Step 6: Final answer
    x = 84,880.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.