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Finding the Fourth Proportional to 124,046.99, 186,132.04 and 49,165.48

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Solution

The fourth proportional to 124,046.99, 186,132.04 and 49,165.48 is: 73,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,046.99 : 186,132.04 = 49,165.48 : x
  2. Step 2: Convert to fraction form
    124,046.99/186,132.04 = 49,165.48/x
  3. Step 3: Cross multiply
    124,046.99x = 186,132.04 × 49,165.48
  4. Step 4: Simplify right side
    124,046.99x = 9,151,271,089.98
  5. Step 5: Solve for x
    x = 9,151,271,089.98/124,046.99
  6. Step 6: Final answer
    x = 73,772.62

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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.