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Finding the Fourth Proportional to 233,093.80, 321,586.50 and 137,552.68

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Solution

The fourth proportional to 233,093.80, 321,586.50 and 137,552.68 is: 189,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,093.80 : 321,586.50 = 137,552.68 : x
  2. Step 2: Convert to fraction form
    233,093.80/321,586.50 = 137,552.68/x
  3. Step 3: Cross multiply
    233,093.80x = 321,586.50 × 137,552.68
  4. Step 4: Simplify right side
    233,093.80x = 44,235,084,926.82
  5. Step 5: Solve for x
    x = 44,235,084,926.82/233,093.80
  6. Step 6: Final answer
    x = 189,773.75

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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.