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Finding the Fourth Proportional to 110,013.01, 165,019.49 and 70,819.23

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Solution

The fourth proportional to 110,013.01, 165,019.49 and 70,819.23 is: 106,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,013.01 : 165,019.49 = 70,819.23 : x
  2. Step 2: Convert to fraction form
    110,013.01/165,019.49 = 70,819.23/x
  3. Step 3: Cross multiply
    110,013.01x = 165,019.49 × 70,819.23
  4. Step 4: Simplify right side
    110,013.01x = 11,686,553,216.79
  5. Step 5: Solve for x
    x = 11,686,553,216.79/110,013.01
  6. Step 6: Final answer
    x = 106,228.83

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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.