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Finding the Fourth Proportional to 110,209.69, 152,087.68 and 61,811.62

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Solution

The fourth proportional to 110,209.69, 152,087.68 and 61,811.62 is: 85,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,209.69 : 152,087.68 = 61,811.62 : x
  2. Step 2: Convert to fraction form
    110,209.69/152,087.68 = 61,811.62/x
  3. Step 3: Cross multiply
    110,209.69x = 152,087.68 × 61,811.62
  4. Step 4: Simplify right side
    110,209.69x = 9,400,785,882.84
  5. Step 5: Solve for x
    x = 9,400,785,882.84/110,209.69
  6. Step 6: Final answer
    x = 85,299.09

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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.