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Finding the Fourth Proportional to 219,761.52, 303,276.87 and 124,282.50

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Solution

The fourth proportional to 219,761.52, 303,276.87 and 124,282.50 is: 171,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,761.52 : 303,276.87 = 124,282.50 : x
  2. Step 2: Convert to fraction form
    219,761.52/303,276.87 = 124,282.50/x
  3. Step 3: Cross multiply
    219,761.52x = 303,276.87 × 124,282.50
  4. Step 4: Simplify right side
    219,761.52x = 37,692,007,595.78
  5. Step 5: Solve for x
    x = 37,692,007,595.78/219,761.52
  6. Step 6: Final answer
    x = 171,513.23

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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.