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Finding the Fourth Proportional to 119,284.41, 178,926.21 and 60,169.80

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Solution

The fourth proportional to 119,284.41, 178,926.21 and 60,169.80 is: 90,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,284.41 : 178,926.21 = 60,169.80 : x
  2. Step 2: Convert to fraction form
    119,284.41/178,926.21 = 60,169.80/x
  3. Step 3: Cross multiply
    119,284.41x = 178,926.21 × 60,169.80
  4. Step 4: Simplify right side
    119,284.41x = 10,765,954,270.46
  5. Step 5: Solve for x
    x = 10,765,954,270.46/119,284.41
  6. Step 6: Final answer
    x = 90,254.50

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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.