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Finding the Fourth Proportional to 219,701.50, 303,176.29 and 124,202.50

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Solution

The fourth proportional to 219,701.50, 303,176.29 and 124,202.50 is: 171,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,701.50 : 303,176.29 = 124,202.50 : x
  2. Step 2: Convert to fraction form
    219,701.50/303,176.29 = 124,202.50/x
  3. Step 3: Cross multiply
    219,701.50x = 303,176.29 × 124,202.50
  4. Step 4: Simplify right side
    219,701.50x = 37,655,251,332.34
  5. Step 5: Solve for x
    x = 37,655,251,332.34/219,701.50
  6. Step 6: Final answer
    x = 171,392.79

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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.