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Finding the Fourth Proportional to 249,644.25, 344,502.59 and 147,674.97

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Solution

The fourth proportional to 249,644.25, 344,502.59 and 147,674.97 is: 203,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,644.25 : 344,502.59 = 147,674.97 : x
  2. Step 2: Convert to fraction form
    249,644.25/344,502.59 = 147,674.97/x
  3. Step 3: Cross multiply
    249,644.25x = 344,502.59 × 147,674.97
  4. Step 4: Simplify right side
    249,644.25x = 50,874,408,904.80
  5. Step 5: Solve for x
    x = 50,874,408,904.80/249,644.25
  6. Step 6: Final answer
    x = 203,787.63

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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.