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Finding the Fourth Proportional to 230,114.52, 317,481.93 and 134,553.56

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Solution

The fourth proportional to 230,114.52, 317,481.93 and 134,553.56 is: 185,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,114.52 : 317,481.93 = 134,553.56 : x
  2. Step 2: Convert to fraction form
    230,114.52/317,481.93 = 134,553.56/x
  3. Step 3: Cross multiply
    230,114.52x = 317,481.93 × 134,553.56
  4. Step 4: Simplify right side
    230,114.52x = 42,718,322,329.76
  5. Step 5: Solve for x
    x = 42,718,322,329.76/230,114.52
  6. Step 6: Final answer
    x = 185,639.40

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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.