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Finding the Fourth Proportional to 70,423.72, 97,202.70 and 43,550.52

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Solution

The fourth proportional to 70,423.72, 97,202.70 and 43,550.52 is: 60,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,423.72 : 97,202.70 = 43,550.52 : x
  2. Step 2: Convert to fraction form
    70,423.72/97,202.70 = 43,550.52/x
  3. Step 3: Cross multiply
    70,423.72x = 97,202.70 × 43,550.52
  4. Step 4: Simplify right side
    70,423.72x = 4,233,228,130.40
  5. Step 5: Solve for x
    x = 4,233,228,130.40/70,423.72
  6. Step 6: Final answer
    x = 60,110.83

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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.