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Finding the Fourth Proportional to 188,205.80, 282,308.70 and 173,625.80

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Solution

The fourth proportional to 188,205.80, 282,308.70 and 173,625.80 is: 260,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,205.80 : 282,308.70 = 173,625.80 : x
  2. Step 2: Convert to fraction form
    188,205.80/282,308.70 = 173,625.80/x
  3. Step 3: Cross multiply
    188,205.80x = 282,308.70 × 173,625.80
  4. Step 4: Simplify right side
    188,205.80x = 49,016,073,884.46
  5. Step 5: Solve for x
    x = 49,016,073,884.46/188,205.80
  6. Step 6: Final answer
    x = 260,438.70

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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.