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Finding the Fourth Proportional to 233,889.36, 322,850.30 and 138,395.85

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Solution

The fourth proportional to 233,889.36, 322,850.30 and 138,395.85 is: 191,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,889.36 : 322,850.30 = 138,395.85 : x
  2. Step 2: Convert to fraction form
    233,889.36/322,850.30 = 138,395.85/x
  3. Step 3: Cross multiply
    233,889.36x = 322,850.30 × 138,395.85
  4. Step 4: Simplify right side
    233,889.36x = 44,681,141,691.26
  5. Step 5: Solve for x
    x = 44,681,141,691.26/233,889.36
  6. Step 6: Final answer
    x = 191,035.38

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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.