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Finding the Fourth Proportional to 117,576.84, 162,257.28 and 63,862.89

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Solution

The fourth proportional to 117,576.84, 162,257.28 and 63,862.89 is: 88,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,576.84 : 162,257.28 = 63,862.89 : x
  2. Step 2: Convert to fraction form
    117,576.84/162,257.28 = 63,862.89/x
  3. Step 3: Cross multiply
    117,576.84x = 162,257.28 × 63,862.89
  4. Step 4: Simplify right side
    117,576.84x = 10,362,218,824.34
  5. Step 5: Solve for x
    x = 10,362,218,824.34/117,576.84
  6. Step 6: Final answer
    x = 88,131.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.