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Finding the Fourth Proportional to 277,026.94, 415,392.72 and 143,773.03

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Solution

The fourth proportional to 277,026.94, 415,392.72 and 143,773.03 is: 215,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,026.94 : 415,392.72 = 143,773.03 : x
  2. Step 2: Convert to fraction form
    277,026.94/415,392.72 = 143,773.03/x
  3. Step 3: Cross multiply
    277,026.94x = 415,392.72 × 143,773.03
  4. Step 4: Simplify right side
    277,026.94x = 59,722,269,994.34
  5. Step 5: Solve for x
    x = 59,722,269,994.34/277,026.94
  6. Step 6: Final answer
    x = 215,582.90

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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.