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Finding the Fourth Proportional to 188,281.50, 259,851.51 and 108,793.50

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Solution

The fourth proportional to 188,281.50, 259,851.51 and 108,793.50 is: 150,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,281.50 : 259,851.51 = 108,793.50 : x
  2. Step 2: Convert to fraction form
    188,281.50/259,851.51 = 108,793.50/x
  3. Step 3: Cross multiply
    188,281.50x = 259,851.51 × 108,793.50
  4. Step 4: Simplify right side
    188,281.50x = 28,270,155,253.19
  5. Step 5: Solve for x
    x = 28,270,155,253.19/188,281.50
  6. Step 6: Final answer
    x = 150,148.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.