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Finding the Fourth Proportional to 70,373.80, 105,533.97 and 22,977.64

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Solution

The fourth proportional to 70,373.80, 105,533.97 and 22,977.64 is: 34,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,373.80 : 105,533.97 = 22,977.64 : x
  2. Step 2: Convert to fraction form
    70,373.80/105,533.97 = 22,977.64/x
  3. Step 3: Cross multiply
    70,373.80x = 105,533.97 × 22,977.64
  4. Step 4: Simplify right side
    70,373.80x = 2,424,921,570.43
  5. Step 5: Solve for x
    x = 2,424,921,570.43/70,373.80
  6. Step 6: Final answer
    x = 34,457.73

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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.