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Finding the Fourth Proportional to 188,646.57, 260,358.71 and 117,049.66

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Solution

The fourth proportional to 188,646.57, 260,358.71 and 117,049.66 is: 161,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,646.57 : 260,358.71 = 117,049.66 : x
  2. Step 2: Convert to fraction form
    188,646.57/260,358.71 = 117,049.66/x
  3. Step 3: Cross multiply
    188,646.57x = 260,358.71 × 117,049.66
  4. Step 4: Simplify right side
    188,646.57x = 30,474,897,247.39
  5. Step 5: Solve for x
    x = 30,474,897,247.39/188,646.57
  6. Step 6: Final answer
    x = 161,544.93

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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.