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Finding the Fourth Proportional to 70,799.33, 97,701.21 and 38,534.58

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Solution

The fourth proportional to 70,799.33, 97,701.21 and 38,534.58 is: 53,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,799.33 : 97,701.21 = 38,534.58 : x
  2. Step 2: Convert to fraction form
    70,799.33/97,701.21 = 38,534.58/x
  3. Step 3: Cross multiply
    70,799.33x = 97,701.21 × 38,534.58
  4. Step 4: Simplify right side
    70,799.33x = 3,764,875,092.84
  5. Step 5: Solve for x
    x = 3,764,875,092.84/70,799.33
  6. Step 6: Final answer
    x = 53,176.70

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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.