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Finding the Fourth Proportional to 187,358.40, 281,037.60 and 185,608.80

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Solution

The fourth proportional to 187,358.40, 281,037.60 and 185,608.80 is: 278,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,358.40 : 281,037.60 = 185,608.80 : x
  2. Step 2: Convert to fraction form
    187,358.40/281,037.60 = 185,608.80/x
  3. Step 3: Cross multiply
    187,358.40x = 281,037.60 × 185,608.80
  4. Step 4: Simplify right side
    187,358.40x = 52,163,051,690.88
  5. Step 5: Solve for x
    x = 52,163,051,690.88/187,358.40
  6. Step 6: Final answer
    x = 278,413.20

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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.