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Finding the Fourth Proportional to 230,436.01, 317,729.68 and 157,873.69

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Solution

The fourth proportional to 230,436.01, 317,729.68 and 157,873.69 is: 217,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,436.01 : 317,729.68 = 157,873.69 : x
  2. Step 2: Convert to fraction form
    230,436.01/317,729.68 = 157,873.69/x
  3. Step 3: Cross multiply
    230,436.01x = 317,729.68 × 157,873.69
  4. Step 4: Simplify right side
    230,436.01x = 50,161,157,004.12
  5. Step 5: Solve for x
    x = 50,161,157,004.12/230,436.01
  6. Step 6: Final answer
    x = 217,679.33

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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.