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Finding the Fourth Proportional to 70,801.25, 97,708.33 and 38,971.49

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Solution

The fourth proportional to 70,801.25, 97,708.33 and 38,971.49 is: 53,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.25 : 97,708.33 = 38,971.49 : x
  2. Step 2: Convert to fraction form
    70,801.25/97,708.33 = 38,971.49/x
  3. Step 3: Cross multiply
    70,801.25x = 97,708.33 × 38,971.49
  4. Step 4: Simplify right side
    70,801.25x = 3,807,839,498.50
  5. Step 5: Solve for x
    x = 3,807,839,498.50/70,801.25
  6. Step 6: Final answer
    x = 53,782.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.