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Finding the Fourth Proportional to 124,866, 187,299.18 and 50,994

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Solution

The fourth proportional to 124,866, 187,299.18 and 50,994 is: 76,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,866 : 187,299.18 = 50,994 : x
  2. Step 2: Convert to fraction form
    124,866/187,299.18 = 50,994/x
  3. Step 3: Cross multiply
    124,866x = 187,299.18 × 50,994
  4. Step 4: Simplify right side
    124,866x = 9,551,134,384.92
  5. Step 5: Solve for x
    x = 9,551,134,384.92/124,866
  6. Step 6: Final answer
    x = 76,491.07

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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.