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Finding the Fourth Proportional to 59,200.80, 88,801.20 and 56,479.20

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Solution

The fourth proportional to 59,200.80, 88,801.20 and 56,479.20 is: 84,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,200.80 : 88,801.20 = 56,479.20 : x
  2. Step 2: Convert to fraction form
    59,200.80/88,801.20 = 56,479.20/x
  3. Step 3: Cross multiply
    59,200.80x = 88,801.20 × 56,479.20
  4. Step 4: Simplify right side
    59,200.80x = 5,015,420,735.04
  5. Step 5: Solve for x
    x = 5,015,420,735.04/59,200.80
  6. Step 6: Final answer
    x = 84,718.80

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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.