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Finding the Fourth Proportional to 68,261.71, 102,438.67 and 23,888.85

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Solution

The fourth proportional to 68,261.71, 102,438.67 and 23,888.85 is: 35,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.71 : 102,438.67 = 23,888.85 : x
  2. Step 2: Convert to fraction form
    68,261.71/102,438.67 = 23,888.85/x
  3. Step 3: Cross multiply
    68,261.71x = 102,438.67 × 23,888.85
  4. Step 4: Simplify right side
    68,261.71x = 2,447,142,021.83
  5. Step 5: Solve for x
    x = 2,447,142,021.83/68,261.71
  6. Step 6: Final answer
    x = 35,849.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.