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Finding the Fourth Proportional to 126,910.77, 175,090.53 and 75,924.98

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Solution

The fourth proportional to 126,910.77, 175,090.53 and 75,924.98 is: 104,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.77 : 175,090.53 = 75,924.98 : x
  2. Step 2: Convert to fraction form
    126,910.77/175,090.53 = 75,924.98/x
  3. Step 3: Cross multiply
    126,910.77x = 175,090.53 × 75,924.98
  4. Step 4: Simplify right side
    126,910.77x = 13,293,744,112.99
  5. Step 5: Solve for x
    x = 13,293,744,112.99/126,910.77
  6. Step 6: Final answer
    x = 104,748.75

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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.