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Finding the Fourth Proportional to 67,801.20, 101,586.60 and 56,050.80

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Solution

The fourth proportional to 67,801.20, 101,586.60 and 56,050.80 is: 83,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,801.20 : 101,586.60 = 56,050.80 : x
  2. Step 2: Convert to fraction form
    67,801.20/101,586.60 = 56,050.80/x
  3. Step 3: Cross multiply
    67,801.20x = 101,586.60 × 56,050.80
  4. Step 4: Simplify right side
    67,801.20x = 5,694,010,199.28
  5. Step 5: Solve for x
    x = 5,694,010,199.28/67,801.20
  6. Step 6: Final answer
    x = 83,980.96

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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.