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Finding the Fourth Proportional to 70,954.36, 97,836.06 and 53,019.16

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Solution

The fourth proportional to 70,954.36, 97,836.06 and 53,019.16 is: 73,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.36 : 97,836.06 = 53,019.16 : x
  2. Step 2: Convert to fraction form
    70,954.36/97,836.06 = 53,019.16/x
  3. Step 3: Cross multiply
    70,954.36x = 97,836.06 × 53,019.16
  4. Step 4: Simplify right side
    70,954.36x = 5,187,185,718.91
  5. Step 5: Solve for x
    x = 5,187,185,718.91/70,954.36
  6. Step 6: Final answer
    x = 73,105.95

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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.