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Finding the Fourth Proportional to 195,507.76, 293,731.20 and 125,523.76

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Solution

The fourth proportional to 195,507.76, 293,731.20 and 125,523.76 is: 188,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,507.76 : 293,731.20 = 125,523.76 : x
  2. Step 2: Convert to fraction form
    195,507.76/293,731.20 = 125,523.76/x
  3. Step 3: Cross multiply
    195,507.76x = 293,731.20 × 125,523.76
  4. Step 4: Simplify right side
    195,507.76x = 36,870,244,653.31
  5. Step 5: Solve for x
    x = 36,870,244,653.31/195,507.76
  6. Step 6: Final answer
    x = 188,587.12

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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.