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Finding the Fourth Proportional to 344,703.36, 517,061.52 and 108,040.80

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Solution

The fourth proportional to 344,703.36, 517,061.52 and 108,040.80 is: 162,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,703.36 : 517,061.52 = 108,040.80 : x
  2. Step 2: Convert to fraction form
    344,703.36/517,061.52 = 108,040.80/x
  3. Step 3: Cross multiply
    344,703.36x = 517,061.52 × 108,040.80
  4. Step 4: Simplify right side
    344,703.36x = 55,863,740,270.02
  5. Step 5: Solve for x
    x = 55,863,740,270.02/344,703.36
  6. Step 6: Final answer
    x = 162,063.23

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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.