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Finding the Fourth Proportional to 70,033.00, 105,055.91 and 27,902.87

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Solution

The fourth proportional to 70,033.00, 105,055.91 and 27,902.87 is: 41,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.00 : 105,055.91 = 27,902.87 : x
  2. Step 2: Convert to fraction form
    70,033.00/105,055.91 = 27,902.87/x
  3. Step 3: Cross multiply
    70,033.00x = 105,055.91 × 27,902.87
  4. Step 4: Simplify right side
    70,033.00x = 2,931,361,259.95
  5. Step 5: Solve for x
    x = 2,931,361,259.95/70,033.00
  6. Step 6: Final answer
    x = 41,856.86

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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.