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Finding the Fourth Proportional to 92,057.58, 126,488.93 and 73,161.90

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Solution

The fourth proportional to 92,057.58, 126,488.93 and 73,161.90 is: 100,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,057.58 : 126,488.93 = 73,161.90 : x
  2. Step 2: Convert to fraction form
    92,057.58/126,488.93 = 73,161.90/x
  3. Step 3: Cross multiply
    92,057.58x = 126,488.93 × 73,161.90
  4. Step 4: Simplify right side
    92,057.58x = 9,254,170,081.96
  5. Step 5: Solve for x
    x = 9,254,170,081.96/92,057.58
  6. Step 6: Final answer
    x = 100,525.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.