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Finding the Fourth Proportional to 233,060.40, 349,331.40 and 127,954.80

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Solution

The fourth proportional to 233,060.40, 349,331.40 and 127,954.80 is: 191,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,060.40 : 349,331.40 = 127,954.80 : x
  2. Step 2: Convert to fraction form
    233,060.40/349,331.40 = 127,954.80/x
  3. Step 3: Cross multiply
    233,060.40x = 349,331.40 × 127,954.80
  4. Step 4: Simplify right side
    233,060.40x = 44,698,629,420.72
  5. Step 5: Solve for x
    x = 44,698,629,420.72/233,060.40
  6. Step 6: Final answer
    x = 191,789.89

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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.