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Finding the Fourth Proportional to 171,113.96, 256,132.78 and 117,492.13

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Solution

The fourth proportional to 171,113.96, 256,132.78 and 117,492.13 is: 175,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,113.96 : 256,132.78 = 117,492.13 : x
  2. Step 2: Convert to fraction form
    171,113.96/256,132.78 = 117,492.13/x
  3. Step 3: Cross multiply
    171,113.96x = 256,132.78 × 117,492.13
  4. Step 4: Simplify right side
    171,113.96x = 30,093,586,932.54
  5. Step 5: Solve for x
    x = 30,093,586,932.54/171,113.96
  6. Step 6: Final answer
    x = 175,868.69

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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.