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Finding the Fourth Proportional to 70,534.99, 97,334.42 and 38,701.39

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Solution

The fourth proportional to 70,534.99, 97,334.42 and 38,701.39 is: 53,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.99 : 97,334.42 = 38,701.39 : x
  2. Step 2: Convert to fraction form
    70,534.99/97,334.42 = 38,701.39/x
  3. Step 3: Cross multiply
    70,534.99x = 97,334.42 × 38,701.39
  4. Step 4: Simplify right side
    70,534.99x = 3,766,976,862.17
  5. Step 5: Solve for x
    x = 3,766,976,862.17/70,534.99
  6. Step 6: Final answer
    x = 53,405.79

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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.