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Finding the Fourth Proportional to 107,370.76, 161,119.52 and 40,866.88

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Solution

The fourth proportional to 107,370.76, 161,119.52 and 40,866.88 is: 61,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,370.76 : 161,119.52 = 40,866.88 : x
  2. Step 2: Convert to fraction form
    107,370.76/161,119.52 = 40,866.88/x
  3. Step 3: Cross multiply
    107,370.76x = 161,119.52 × 40,866.88
  4. Step 4: Simplify right side
    107,370.76x = 6,584,452,089.50
  5. Step 5: Solve for x
    x = 6,584,452,089.50/107,370.76
  6. Step 6: Final answer
    x = 61,324.44

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1.5x scale

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.