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Finding the Fourth Proportional to 173,268.40, 260,048.40 and 68,162.80

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Solution

The fourth proportional to 173,268.40, 260,048.40 and 68,162.80 is: 102,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,268.40 : 260,048.40 = 68,162.80 : x
  2. Step 2: Convert to fraction form
    173,268.40/260,048.40 = 68,162.80/x
  3. Step 3: Cross multiply
    173,268.40x = 260,048.40 × 68,162.80
  4. Step 4: Simplify right side
    173,268.40x = 17,725,627,079.52
  5. Step 5: Solve for x
    x = 17,725,627,079.52/173,268.40
  6. Step 6: Final answer
    x = 102,301.56

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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.