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Finding the Fourth Proportional to 92,348.67, 138,527.15 and 28,302.11

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Solution

The fourth proportional to 92,348.67, 138,527.15 and 28,302.11 is: 42,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,348.67 : 138,527.15 = 28,302.11 : x
  2. Step 2: Convert to fraction form
    92,348.67/138,527.15 = 28,302.11/x
  3. Step 3: Cross multiply
    92,348.67x = 138,527.15 × 28,302.11
  4. Step 4: Simplify right side
    92,348.67x = 3,920,609,803.14
  5. Step 5: Solve for x
    x = 3,920,609,803.14/92,348.67
  6. Step 6: Final answer
    x = 42,454.43

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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.