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Finding the Fourth Proportional to 185,230.62, 255,619.44 and 100,347.66

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Solution

The fourth proportional to 185,230.62, 255,619.44 and 100,347.66 is: 138,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,230.62 : 255,619.44 = 100,347.66 : x
  2. Step 2: Convert to fraction form
    185,230.62/255,619.44 = 100,347.66/x
  3. Step 3: Cross multiply
    185,230.62x = 255,619.44 × 100,347.66
  4. Step 4: Simplify right side
    185,230.62x = 25,650,812,654.51
  5. Step 5: Solve for x
    x = 25,650,812,654.51/185,230.62
  6. Step 6: Final answer
    x = 138,480.41

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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.