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Finding the Fourth Proportional to 70,927.38, 97,880.44 and 39,097.41

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Solution

The fourth proportional to 70,927.38, 97,880.44 and 39,097.41 is: 53,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.38 : 97,880.44 = 39,097.41 : x
  2. Step 2: Convert to fraction form
    70,927.38/97,880.44 = 39,097.41/x
  3. Step 3: Cross multiply
    70,927.38x = 97,880.44 × 39,097.41
  4. Step 4: Simplify right side
    70,927.38x = 3,826,871,693.66
  5. Step 5: Solve for x
    x = 3,826,871,693.66/70,927.38
  6. Step 6: Final answer
    x = 53,954.79

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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.