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Finding the Fourth Proportional to 92,648.57, 138,971.84 and 22,527.95

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Solution

The fourth proportional to 92,648.57, 138,971.84 and 22,527.95 is: 33,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,648.57 : 138,971.84 = 22,527.95 : x
  2. Step 2: Convert to fraction form
    92,648.57/138,971.84 = 22,527.95/x
  3. Step 3: Cross multiply
    92,648.57x = 138,971.84 × 22,527.95
  4. Step 4: Simplify right side
    92,648.57x = 3,130,749,855.43
  5. Step 5: Solve for x
    x = 3,130,749,855.43/92,648.57
  6. Step 6: Final answer
    x = 33,791.67

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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.