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Finding the Fourth Proportional to 233,329.72, 349,916.73 and 91,138.12

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Solution

The fourth proportional to 233,329.72, 349,916.73 and 91,138.12 is: 136,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,329.72 : 349,916.73 = 91,138.12 : x
  2. Step 2: Convert to fraction form
    233,329.72/349,916.73 = 91,138.12/x
  3. Step 3: Cross multiply
    233,329.72x = 349,916.73 × 91,138.12
  4. Step 4: Simplify right side
    233,329.72x = 31,890,751,179.16
  5. Step 5: Solve for x
    x = 31,890,751,179.16/233,329.72
  6. Step 6: Final answer
    x = 136,676.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.