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Finding the Fourth Proportional to 124,333.96, 186,578.72 and 50,461.96

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Solution

The fourth proportional to 124,333.96, 186,578.72 and 50,461.96 is: 75,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,333.96 : 186,578.72 = 50,461.96 : x
  2. Step 2: Convert to fraction form
    124,333.96/186,578.72 = 50,461.96/x
  3. Step 3: Cross multiply
    124,333.96x = 186,578.72 × 50,461.96
  4. Step 4: Simplify right side
    124,333.96x = 9,415,127,905.49
  5. Step 5: Solve for x
    x = 9,415,127,905.49/124,333.96
  6. Step 6: Final answer
    x = 75,724.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.