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Finding the Fourth Proportional to 114,309.83, 157,745.85 and 63,322.40

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Solution

The fourth proportional to 114,309.83, 157,745.85 and 63,322.40 is: 87,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,309.83 : 157,745.85 = 63,322.40 : x
  2. Step 2: Convert to fraction form
    114,309.83/157,745.85 = 63,322.40/x
  3. Step 3: Cross multiply
    114,309.83x = 157,745.85 × 63,322.40
  4. Step 4: Simplify right side
    114,309.83x = 9,988,846,206.40
  5. Step 5: Solve for x
    x = 9,988,846,206.40/114,309.83
  6. Step 6: Final answer
    x = 87,383.97

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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.