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Finding the Fourth Proportional to 233,287.48, 349,722.88 and 91,099.68

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Solution

The fourth proportional to 233,287.48, 349,722.88 and 91,099.68 is: 136,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,287.48 : 349,722.88 = 91,099.68 : x
  2. Step 2: Convert to fraction form
    233,287.48/349,722.88 = 91,099.68/x
  3. Step 3: Cross multiply
    233,287.48x = 349,722.88 × 91,099.68
  4. Step 4: Simplify right side
    233,287.48x = 31,859,642,456.68
  5. Step 5: Solve for x
    x = 31,859,642,456.68/233,287.48
  6. Step 6: Final answer
    x = 136,568.16

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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.