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Finding the Fourth Proportional to 188,886.60, 282,673.80 and 173,140.20

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Solution

The fourth proportional to 188,886.60, 282,673.80 and 173,140.20 is: 259,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,886.60 : 282,673.80 = 173,140.20 : x
  2. Step 2: Convert to fraction form
    188,886.60/282,673.80 = 173,140.20/x
  3. Step 3: Cross multiply
    188,886.60x = 282,673.80 × 173,140.20
  4. Step 4: Simplify right side
    188,886.60x = 48,942,198,266.76
  5. Step 5: Solve for x
    x = 48,942,198,266.76/188,886.60
  6. Step 6: Final answer
    x = 259,108.90

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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.