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Finding the Fourth Proportional to 220,093.60, 330,140.40 and 188,600.80

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Solution

The fourth proportional to 220,093.60, 330,140.40 and 188,600.80 is: 282,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,093.60 : 330,140.40 = 188,600.80 : x
  2. Step 2: Convert to fraction form
    220,093.60/330,140.40 = 188,600.80/x
  3. Step 3: Cross multiply
    220,093.60x = 330,140.40 × 188,600.80
  4. Step 4: Simplify right side
    220,093.60x = 62,264,743,552.32
  5. Step 5: Solve for x
    x = 62,264,743,552.32/220,093.60
  6. Step 6: Final answer
    x = 282,901.20

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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.