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Finding the Fourth Proportional to 233,640.30, 349,942.05 and 93,326.70

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Solution

The fourth proportional to 233,640.30, 349,942.05 and 93,326.70 is: 139,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,640.30 : 349,942.05 = 93,326.70 : x
  2. Step 2: Convert to fraction form
    233,640.30/349,942.05 = 93,326.70/x
  3. Step 3: Cross multiply
    233,640.30x = 349,942.05 × 93,326.70
  4. Step 4: Simplify right side
    233,640.30x = 32,658,936,717.74
  5. Step 5: Solve for x
    x = 32,658,936,717.74/233,640.30
  6. Step 6: Final answer
    x = 139,782.98

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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.