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Finding the Fourth Proportional to 269,483.70, 404,261.55 and 91,946.10

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Solution

The fourth proportional to 269,483.70, 404,261.55 and 91,946.10 is: 137,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,483.70 : 404,261.55 = 91,946.10 : x
  2. Step 2: Convert to fraction form
    269,483.70/404,261.55 = 91,946.10/x
  3. Step 3: Cross multiply
    269,483.70x = 404,261.55 × 91,946.10
  4. Step 4: Simplify right side
    269,483.70x = 37,170,272,902.46
  5. Step 5: Solve for x
    x = 37,170,272,902.46/269,483.70
  6. Step 6: Final answer
    x = 137,931.43

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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.