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Finding the Fourth Proportional to 70,451.97, 97,233.73 and 43,603.13

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Solution

The fourth proportional to 70,451.97, 97,233.73 and 43,603.13 is: 60,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451.97 : 97,233.73 = 43,603.13 : x
  2. Step 2: Convert to fraction form
    70,451.97/97,233.73 = 43,603.13/x
  3. Step 3: Cross multiply
    70,451.97x = 97,233.73 × 43,603.13
  4. Step 4: Simplify right side
    70,451.97x = 4,239,694,374.40
  5. Step 5: Solve for x
    x = 4,239,694,374.40/70,451.97
  6. Step 6: Final answer
    x = 60,178.51

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1.5x scale

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.