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Finding the Fourth Proportional to 195,886.80, 293,862.60 and 83,620.80

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Solution

The fourth proportional to 195,886.80, 293,862.60 and 83,620.80 is: 125,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,886.80 : 293,862.60 = 83,620.80 : x
  2. Step 2: Convert to fraction form
    195,886.80/293,862.60 = 83,620.80/x
  3. Step 3: Cross multiply
    195,886.80x = 293,862.60 × 83,620.80
  4. Step 4: Simplify right side
    195,886.80x = 24,573,025,702.08
  5. Step 5: Solve for x
    x = 24,573,025,702.08/195,886.80
  6. Step 6: Final answer
    x = 125,445.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.