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Finding the Fourth Proportional to 91,322.49, 126,024.63 and 51,036.24

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Solution

The fourth proportional to 91,322.49, 126,024.63 and 51,036.24 is: 70,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,322.49 : 126,024.63 = 51,036.24 : x
  2. Step 2: Convert to fraction form
    91,322.49/126,024.63 = 51,036.24/x
  3. Step 3: Cross multiply
    91,322.49x = 126,024.63 × 51,036.24
  4. Step 4: Simplify right side
    91,322.49x = 6,431,823,262.59
  5. Step 5: Solve for x
    x = 6,431,823,262.59/91,322.49
  6. Step 6: Final answer
    x = 70,429.78

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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.