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Finding the Fourth Proportional to 70,803.63, 106,205.45 and 29,251.71

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Solution

The fourth proportional to 70,803.63, 106,205.45 and 29,251.71 is: 43,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,803.63 : 106,205.45 = 29,251.71 : x
  2. Step 2: Convert to fraction form
    70,803.63/106,205.45 = 29,251.71/x
  3. Step 3: Cross multiply
    70,803.63x = 106,205.45 × 29,251.71
  4. Step 4: Simplify right side
    70,803.63x = 3,106,690,346.53
  5. Step 5: Solve for x
    x = 3,106,690,346.53/70,803.63
  6. Step 6: Final answer
    x = 43,877.56

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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.