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Finding the Fourth Proportional to 230,054.40, 317,599.61 and 161,354.79

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Solution

The fourth proportional to 230,054.40, 317,599.61 and 161,354.79 is: 222,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,054.40 : 317,599.61 = 161,354.79 : x
  2. Step 2: Convert to fraction form
    230,054.40/317,599.61 = 161,354.79/x
  3. Step 3: Cross multiply
    230,054.40x = 317,599.61 × 161,354.79
  4. Step 4: Simplify right side
    230,054.40x = 51,246,217,568.86
  5. Step 5: Solve for x
    x = 51,246,217,568.86/230,054.40
  6. Step 6: Final answer
    x = 222,756.95

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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.