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Finding the Fourth Proportional to 186,555.52, 257,449.60 and 101,672.64

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Solution

The fourth proportional to 186,555.52, 257,449.60 and 101,672.64 is: 140,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.52 : 257,449.60 = 101,672.64 : x
  2. Step 2: Convert to fraction form
    186,555.52/257,449.60 = 101,672.64/x
  3. Step 3: Cross multiply
    186,555.52x = 257,449.60 × 101,672.64
  4. Step 4: Simplify right side
    186,555.52x = 26,175,580,498.94
  5. Step 5: Solve for x
    x = 26,175,580,498.94/186,555.52
  6. Step 6: Final answer
    x = 140,309.87

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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.