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Finding the Fourth Proportional to 71,392.24, 98,507.10 and 43,099.48

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Solution

The fourth proportional to 71,392.24, 98,507.10 and 43,099.48 is: 59,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,392.24 : 98,507.10 = 43,099.48 : x
  2. Step 2: Convert to fraction form
    71,392.24/98,507.10 = 43,099.48/x
  3. Step 3: Cross multiply
    71,392.24x = 98,507.10 × 43,099.48
  4. Step 4: Simplify right side
    71,392.24x = 4,245,604,786.31
  5. Step 5: Solve for x
    x = 4,245,604,786.31/71,392.24
  6. Step 6: Final answer
    x = 59,468.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.