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Finding the Fourth Proportional to 85,327.80, 127,818.90 and 59,062.20

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Solution

The fourth proportional to 85,327.80, 127,818.90 and 59,062.20 is: 88,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.80 : 127,818.90 = 59,062.20 : x
  2. Step 2: Convert to fraction form
    85,327.80/127,818.90 = 59,062.20/x
  3. Step 3: Cross multiply
    85,327.80x = 127,818.90 × 59,062.20
  4. Step 4: Simplify right side
    85,327.80x = 7,549,265,435.58
  5. Step 5: Solve for x
    x = 7,549,265,435.58/85,327.80
  6. Step 6: Final answer
    x = 88,473.69

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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.