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Finding the Fourth Proportional to 233,367.92, 322,040.28 and 131,398.64

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Solution

The fourth proportional to 233,367.92, 322,040.28 and 131,398.64 is: 181,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,367.92 : 322,040.28 = 131,398.64 : x
  2. Step 2: Convert to fraction form
    233,367.92/322,040.28 = 131,398.64/x
  3. Step 3: Cross multiply
    233,367.92x = 322,040.28 × 131,398.64
  4. Step 4: Simplify right side
    233,367.92x = 42,315,654,817.22
  5. Step 5: Solve for x
    x = 42,315,654,817.22/233,367.92
  6. Step 6: Final answer
    x = 181,325.93

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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.