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Finding the Fourth Proportional to 233,230.34, 349,623.84 and 91,166.69

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Solution

The fourth proportional to 233,230.34, 349,623.84 and 91,166.69 is: 136,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,230.34 : 349,623.84 = 91,166.69 : x
  2. Step 2: Convert to fraction form
    233,230.34/349,623.84 = 91,166.69/x
  3. Step 3: Cross multiply
    233,230.34x = 349,623.84 × 91,166.69
  4. Step 4: Simplify right side
    233,230.34x = 31,874,048,470.51
  5. Step 5: Solve for x
    x = 31,874,048,470.51/233,230.34
  6. Step 6: Final answer
    x = 136,663.39

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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.