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Finding the Fourth Proportional to 186,082.32, 256,800.36 and 106,609.68

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Solution

The fourth proportional to 186,082.32, 256,800.36 and 106,609.68 is: 147,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,082.32 : 256,800.36 = 106,609.68 : x
  2. Step 2: Convert to fraction form
    186,082.32/256,800.36 = 106,609.68/x
  3. Step 3: Cross multiply
    186,082.32x = 256,800.36 × 106,609.68
  4. Step 4: Simplify right side
    186,082.32x = 27,377,404,203.48
  5. Step 5: Solve for x
    x = 27,377,404,203.48/186,082.32
  6. Step 6: Final answer
    x = 147,125.23

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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.