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Finding the Fourth Proportional to 185,507.82, 256,241.03 and 137,207.93

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Solution

The fourth proportional to 185,507.82, 256,241.03 and 137,207.93 is: 189,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,507.82 : 256,241.03 = 137,207.93 : x
  2. Step 2: Convert to fraction form
    185,507.82/256,241.03 = 137,207.93/x
  3. Step 3: Cross multiply
    185,507.82x = 256,241.03 × 137,207.93
  4. Step 4: Simplify right side
    185,507.82x = 35,158,299,340.12
  5. Step 5: Solve for x
    x = 35,158,299,340.12/185,507.82
  6. Step 6: Final answer
    x = 189,524.62

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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.