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Finding the Fourth Proportional to 126,063.88, 173,968.15 and 75,762.88

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Solution

The fourth proportional to 126,063.88, 173,968.15 and 75,762.88 is: 104,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.88 : 173,968.15 = 75,762.88 : x
  2. Step 2: Convert to fraction form
    126,063.88/173,968.15 = 75,762.88/x
  3. Step 3: Cross multiply
    126,063.88x = 173,968.15 × 75,762.88
  4. Step 4: Simplify right side
    126,063.88x = 13,180,328,072.27
  5. Step 5: Solve for x
    x = 13,180,328,072.27/126,063.88
  6. Step 6: Final answer
    x = 104,552.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.