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Finding the Fourth Proportional to 144,952.40, 217,428.60 and 124,216.40

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Solution

The fourth proportional to 144,952.40, 217,428.60 and 124,216.40 is: 186,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,952.40 : 217,428.60 = 124,216.40 : x
  2. Step 2: Convert to fraction form
    144,952.40/217,428.60 = 124,216.40/x
  3. Step 3: Cross multiply
    144,952.40x = 217,428.60 × 124,216.40
  4. Step 4: Simplify right side
    144,952.40x = 27,008,197,949.04
  5. Step 5: Solve for x
    x = 27,008,197,949.04/144,952.40
  6. Step 6: Final answer
    x = 186,324.60

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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.