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Finding the Fourth Proportional to 188,853.38, 260,608.29 and 103,968.62

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Solution

The fourth proportional to 188,853.38, 260,608.29 and 103,968.62 is: 143,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,853.38 : 260,608.29 = 103,968.62 : x
  2. Step 2: Convert to fraction form
    188,853.38/260,608.29 = 103,968.62/x
  3. Step 3: Cross multiply
    188,853.38x = 260,608.29 × 103,968.62
  4. Step 4: Simplify right side
    188,853.38x = 27,095,084,271.86
  5. Step 5: Solve for x
    x = 27,095,084,271.86/188,853.38
  6. Step 6: Final answer
    x = 143,471.53

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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.