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Finding the Fourth Proportional to 185,672.96, 256,191.36 and 114,064.64

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Solution

The fourth proportional to 185,672.96, 256,191.36 and 114,064.64 is: 157,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,672.96 : 256,191.36 = 114,064.64 : x
  2. Step 2: Convert to fraction form
    185,672.96/256,191.36 = 114,064.64/x
  3. Step 3: Cross multiply
    185,672.96x = 256,191.36 × 114,064.64
  4. Step 4: Simplify right side
    185,672.96x = 29,222,375,249.51
  5. Step 5: Solve for x
    x = 29,222,375,249.51/185,672.96
  6. Step 6: Final answer
    x = 157,386.27

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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.