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Finding the Fourth Proportional to 94,689, 141,958.62 and 47,279.72

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Solution

The fourth proportional to 94,689, 141,958.62 and 47,279.72 is: 70,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689 : 141,958.62 = 47,279.72 : x
  2. Step 2: Convert to fraction form
    94,689/141,958.62 = 47,279.72/x
  3. Step 3: Cross multiply
    94,689x = 141,958.62 × 47,279.72
  4. Step 4: Simplify right side
    94,689x = 6,711,763,805.19
  5. Step 5: Solve for x
    x = 6,711,763,805.19/94,689
  6. Step 6: Final answer
    x = 70,882.19

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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.