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Finding the Fourth Proportional to 185,241.83, 255,634.00 and 100,358.90

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Solution

The fourth proportional to 185,241.83, 255,634.00 and 100,358.90 is: 138,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,241.83 : 255,634.00 = 100,358.90 : x
  2. Step 2: Convert to fraction form
    185,241.83/255,634.00 = 100,358.90/x
  3. Step 3: Cross multiply
    185,241.83x = 255,634.00 × 100,358.90
  4. Step 4: Simplify right side
    185,241.83x = 25,655,145,513.53
  5. Step 5: Solve for x
    x = 25,655,145,513.53/185,241.83
  6. Step 6: Final answer
    x = 138,495.42

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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.