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Finding the Fourth Proportional to 277,025.94, 415,391.22 and 143,772.03

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Solution

The fourth proportional to 277,025.94, 415,391.22 and 143,772.03 is: 215,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,025.94 : 415,391.22 = 143,772.03 : x
  2. Step 2: Convert to fraction form
    277,025.94/415,391.22 = 143,772.03/x
  3. Step 3: Cross multiply
    277,025.94x = 415,391.22 × 143,772.03
  4. Step 4: Simplify right side
    277,025.94x = 59,721,638,943.58
  5. Step 5: Solve for x
    x = 59,721,638,943.58/277,025.94
  6. Step 6: Final answer
    x = 215,581.40

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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.