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Finding the Fourth Proportional to 70,681.76, 97,541.04 and 38,853.92

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Solution

The fourth proportional to 70,681.76, 97,541.04 and 38,853.92 is: 53,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.76 : 97,541.04 = 38,853.92 : x
  2. Step 2: Convert to fraction form
    70,681.76/97,541.04 = 38,853.92/x
  3. Step 3: Cross multiply
    70,681.76x = 97,541.04 × 38,853.92
  4. Step 4: Simplify right side
    70,681.76x = 3,789,851,764.88
  5. Step 5: Solve for x
    x = 3,789,851,764.88/70,681.76
  6. Step 6: Final answer
    x = 53,618.53

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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.