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Finding the Fourth Proportional to 188,496.25, 260,124.83 and 107,950.42

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Solution

The fourth proportional to 188,496.25, 260,124.83 and 107,950.42 is: 148,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,496.25 : 260,124.83 = 107,950.42 : x
  2. Step 2: Convert to fraction form
    188,496.25/260,124.83 = 107,950.42/x
  3. Step 3: Cross multiply
    188,496.25x = 260,124.83 × 107,950.42
  4. Step 4: Simplify right side
    188,496.25x = 28,080,585,086.64
  5. Step 5: Solve for x
    x = 28,080,585,086.64/188,496.25
  6. Step 6: Final answer
    x = 148,971.58

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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.