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Finding the Fourth Proportional to 157,774.62, 217,744.73 and 94,112.42

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Solution

The fourth proportional to 157,774.62, 217,744.73 and 94,112.42 is: 129,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,774.62 : 217,744.73 = 94,112.42 : x
  2. Step 2: Convert to fraction form
    157,774.62/217,744.73 = 94,112.42/x
  3. Step 3: Cross multiply
    157,774.62x = 217,744.73 × 94,112.42
  4. Step 4: Simplify right side
    157,774.62x = 20,492,482,863.93
  5. Step 5: Solve for x
    x = 20,492,482,863.93/157,774.62
  6. Step 6: Final answer
    x = 129,884.53

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1.5x scale

Why These Related Problems?

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