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Finding the Fourth Proportional to 186,555.38, 257,446.44 and 101,672.46

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Solution

The fourth proportional to 186,555.38, 257,446.44 and 101,672.46 is: 140,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.38 : 257,446.44 = 101,672.46 : x
  2. Step 2: Convert to fraction form
    186,555.38/257,446.44 = 101,672.46/x
  3. Step 3: Cross multiply
    186,555.38x = 257,446.44 × 101,672.46
  4. Step 4: Simplify right side
    186,555.38x = 26,175,212,873.04
  5. Step 5: Solve for x
    x = 26,175,212,873.04/186,555.38
  6. Step 6: Final answer
    x = 140,308.01

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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.