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Finding the Fourth Proportional to 277,010.84, 415,215.48 and 141,889.52

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Solution

The fourth proportional to 277,010.84, 415,215.48 and 141,889.52 is: 212,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,010.84 : 415,215.48 = 141,889.52 : x
  2. Step 2: Convert to fraction form
    277,010.84/415,215.48 = 141,889.52/x
  3. Step 3: Cross multiply
    277,010.84x = 415,215.48 × 141,889.52
  4. Step 4: Simplify right side
    277,010.84x = 58,914,725,153.77
  5. Step 5: Solve for x
    x = 58,914,725,153.77/277,010.84
  6. Step 6: Final answer
    x = 212,680.22

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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.