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Finding the Fourth Proportional to 277,266.70, 415,898.70 and 108,667.90

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Solution

The fourth proportional to 277,266.70, 415,898.70 and 108,667.90 is: 163,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,266.70 : 415,898.70 = 108,667.90 : x
  2. Step 2: Convert to fraction form
    277,266.70/415,898.70 = 108,667.90/x
  3. Step 3: Cross multiply
    277,266.70x = 415,898.70 × 108,667.90
  4. Step 4: Simplify right side
    277,266.70x = 45,194,838,341.73
  5. Step 5: Solve for x
    x = 45,194,838,341.73/277,266.70
  6. Step 6: Final answer
    x = 163,001.32

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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.