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Finding the Fourth Proportional to 249,849.75, 344,958.98 and 147,908.01

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Solution

The fourth proportional to 249,849.75, 344,958.98 and 147,908.01 is: 204,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,849.75 : 344,958.98 = 147,908.01 : x
  2. Step 2: Convert to fraction form
    249,849.75/344,958.98 = 147,908.01/x
  3. Step 3: Cross multiply
    249,849.75x = 344,958.98 × 147,908.01
  4. Step 4: Simplify right side
    249,849.75x = 51,022,195,523.89
  5. Step 5: Solve for x
    x = 51,022,195,523.89/249,849.75
  6. Step 6: Final answer
    x = 204,211.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.