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Finding the Fourth Proportional to 70,338.74, 97,068.67 and 43,480.56

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Solution

The fourth proportional to 70,338.74, 97,068.67 and 43,480.56 is: 60,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,338.74 : 97,068.67 = 43,480.56 : x
  2. Step 2: Convert to fraction form
    70,338.74/97,068.67 = 43,480.56/x
  3. Step 3: Cross multiply
    70,338.74x = 97,068.67 × 43,480.56
  4. Step 4: Simplify right side
    70,338.74x = 4,220,600,130.06
  5. Step 5: Solve for x
    x = 4,220,600,130.06/70,338.74
  6. Step 6: Final answer
    x = 60,003.92

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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.