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Finding the Fourth Proportional to 70,469.34, 97,260.12 and 42,174.96

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Solution

The fourth proportional to 70,469.34, 97,260.12 and 42,174.96 is: 58,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,469.34 : 97,260.12 = 42,174.96 : x
  2. Step 2: Convert to fraction form
    70,469.34/97,260.12 = 42,174.96/x
  3. Step 3: Cross multiply
    70,469.34x = 97,260.12 × 42,174.96
  4. Step 4: Simplify right side
    70,469.34x = 4,101,941,670.60
  5. Step 5: Solve for x
    x = 4,101,941,670.60/70,469.34
  6. Step 6: Final answer
    x = 58,208.88

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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.