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Finding the Fourth Proportional to 185,573.59, 256,094.53 and 100,690.65

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Solution

The fourth proportional to 185,573.59, 256,094.53 and 100,690.65 is: 138,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,573.59 : 256,094.53 = 100,690.65 : x
  2. Step 2: Convert to fraction form
    185,573.59/256,094.53 = 100,690.65/x
  3. Step 3: Cross multiply
    185,573.59x = 256,094.53 × 100,690.65
  4. Step 4: Simplify right side
    185,573.59x = 25,786,324,435.42
  5. Step 5: Solve for x
    x = 25,786,324,435.42/185,573.59
  6. Step 6: Final answer
    x = 138,954.71

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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.