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Finding the Fourth Proportional to 94,679.90, 141,884.54 and 69,522.56

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Solution

The fourth proportional to 94,679.90, 141,884.54 and 69,522.56 is: 104,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679.90 : 141,884.54 = 69,522.56 : x
  2. Step 2: Convert to fraction form
    94,679.90/141,884.54 = 69,522.56/x
  3. Step 3: Cross multiply
    94,679.90x = 141,884.54 × 69,522.56
  4. Step 4: Simplify right side
    94,679.90x = 9,864,176,445.22
  5. Step 5: Solve for x
    x = 9,864,176,445.22/94,679.90
  6. Step 6: Final answer
    x = 104,184.48

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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.