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Finding the Fourth Proportional to 70,803.08, 106,116.90 and 35,752.76

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Solution

The fourth proportional to 70,803.08, 106,116.90 and 35,752.76 is: 53,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,803.08 : 106,116.90 = 35,752.76 : x
  2. Step 2: Convert to fraction form
    70,803.08/106,116.90 = 35,752.76/x
  3. Step 3: Cross multiply
    70,803.08x = 106,116.90 × 35,752.76
  4. Step 4: Simplify right side
    70,803.08x = 3,793,972,057.64
  5. Step 5: Solve for x
    x = 3,793,972,057.64/70,803.08
  6. Step 6: Final answer
    x = 53,584.84

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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.