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Finding the Fourth Proportional to 185,602.56, 256,130.24 and 100,719.62

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Solution

The fourth proportional to 185,602.56, 256,130.24 and 100,719.62 is: 138,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,602.56 : 256,130.24 = 100,719.62 : x
  2. Step 2: Convert to fraction form
    185,602.56/256,130.24 = 100,719.62/x
  3. Step 3: Cross multiply
    185,602.56x = 256,130.24 × 100,719.62
  4. Step 4: Simplify right side
    185,602.56x = 25,797,339,619.55
  5. Step 5: Solve for x
    x = 25,797,339,619.55/185,602.56
  6. Step 6: Final answer
    x = 138,992.37

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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.