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Finding the Fourth Proportional to 185,544.96, 277,967.52 and 143,787.84

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Solution

The fourth proportional to 185,544.96, 277,967.52 and 143,787.84 is: 215,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,544.96 : 277,967.52 = 143,787.84 : x
  2. Step 2: Convert to fraction form
    185,544.96/277,967.52 = 143,787.84/x
  3. Step 3: Cross multiply
    185,544.96x = 277,967.52 × 143,787.84
  4. Step 4: Simplify right side
    185,544.96x = 39,968,349,290.96
  5. Step 5: Solve for x
    x = 39,968,349,290.96/185,544.96
  6. Step 6: Final answer
    x = 215,410.59

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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.