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Finding the Fourth Proportional to 175,332.50, 241,958.85 and 99,881

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Solution

The fourth proportional to 175,332.50, 241,958.85 and 99,881 is: 137,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,332.50 : 241,958.85 = 99,881 : x
  2. Step 2: Convert to fraction form
    175,332.50/241,958.85 = 99,881/x
  3. Step 3: Cross multiply
    175,332.50x = 241,958.85 × 99,881
  4. Step 4: Simplify right side
    175,332.50x = 24,167,091,896.85
  5. Step 5: Solve for x
    x = 24,167,091,896.85/175,332.50
  6. Step 6: Final answer
    x = 137,835.78

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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.