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Finding the Fourth Proportional to 140,233.33, 193,521.22 and 76,570.67

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Solution

The fourth proportional to 140,233.33, 193,521.22 and 76,570.67 is: 105,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,233.33 : 193,521.22 = 76,570.67 : x
  2. Step 2: Convert to fraction form
    140,233.33/193,521.22 = 76,570.67/x
  3. Step 3: Cross multiply
    140,233.33x = 193,521.22 × 76,570.67
  4. Step 4: Simplify right side
    140,233.33x = 14,818,049,474.62
  5. Step 5: Solve for x
    x = 14,818,049,474.62/140,233.33
  6. Step 6: Final answer
    x = 105,667.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.