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Finding the Fourth Proportional to 249,956.45, 375,022.16 and 72,474.11

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Solution

The fourth proportional to 249,956.45, 375,022.16 and 72,474.11 is: 108,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,956.45 : 375,022.16 = 72,474.11 : x
  2. Step 2: Convert to fraction form
    249,956.45/375,022.16 = 72,474.11/x
  3. Step 3: Cross multiply
    249,956.45x = 375,022.16 × 72,474.11
  4. Step 4: Simplify right side
    249,956.45x = 27,179,396,913.91
  5. Step 5: Solve for x
    x = 27,179,396,913.91/249,956.45
  6. Step 6: Final answer
    x = 108,736.53

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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.