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Finding the Fourth Proportional to 188,341.80, 259,927.76 and 106,684.62

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Solution

The fourth proportional to 188,341.80, 259,927.76 and 106,684.62 is: 147,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,341.80 : 259,927.76 = 106,684.62 : x
  2. Step 2: Convert to fraction form
    188,341.80/259,927.76 = 106,684.62/x
  3. Step 3: Cross multiply
    188,341.80x = 259,927.76 × 106,684.62
  4. Step 4: Simplify right side
    188,341.80x = 27,730,294,672.52
  5. Step 5: Solve for x
    x = 27,730,294,672.52/188,341.80
  6. Step 6: Final answer
    x = 147,233.88

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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.