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Finding the Fourth Proportional to 188,015.58, 259,472.97 and 124,242.66

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Solution

The fourth proportional to 188,015.58, 259,472.97 and 124,242.66 is: 171,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,015.58 : 259,472.97 = 124,242.66 : x
  2. Step 2: Convert to fraction form
    188,015.58/259,472.97 = 124,242.66/x
  3. Step 3: Cross multiply
    188,015.58x = 259,472.97 × 124,242.66
  4. Step 4: Simplify right side
    188,015.58x = 32,237,611,990.90
  5. Step 5: Solve for x
    x = 32,237,611,990.90/188,015.58
  6. Step 6: Final answer
    x = 171,462.45

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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.