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Finding the Fourth Proportional to 185,506.84, 255,878.38 and 117,452.88

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Solution

The fourth proportional to 185,506.84, 255,878.38 and 117,452.88 is: 162,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,506.84 : 255,878.38 = 117,452.88 : x
  2. Step 2: Convert to fraction form
    185,506.84/255,878.38 = 117,452.88/x
  3. Step 3: Cross multiply
    185,506.84x = 255,878.38 × 117,452.88
  4. Step 4: Simplify right side
    185,506.84x = 30,053,652,660.73
  5. Step 5: Solve for x
    x = 30,053,652,660.73/185,506.84
  6. Step 6: Final answer
    x = 162,008.33

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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.