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Finding the Fourth Proportional to 70,477.75, 97,260.03 and 38,212.43

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Solution

The fourth proportional to 70,477.75, 97,260.03 and 38,212.43 is: 52,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,477.75 : 97,260.03 = 38,212.43 : x
  2. Step 2: Convert to fraction form
    70,477.75/97,260.03 = 38,212.43/x
  3. Step 3: Cross multiply
    70,477.75x = 97,260.03 × 38,212.43
  4. Step 4: Simplify right side
    70,477.75x = 3,716,542,368.77
  5. Step 5: Solve for x
    x = 3,716,542,368.77/70,477.75
  6. Step 6: Final answer
    x = 52,733.56

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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.