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Finding the Fourth Proportional to 89,963.70, 124,160.84 and 52,237.95

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Solution

The fourth proportional to 89,963.70, 124,160.84 and 52,237.95 is: 72,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,963.70 : 124,160.84 = 52,237.95 : x
  2. Step 2: Convert to fraction form
    89,963.70/124,160.84 = 52,237.95/x
  3. Step 3: Cross multiply
    89,963.70x = 124,160.84 × 52,237.95
  4. Step 4: Simplify right side
    89,963.70x = 6,485,907,751.88
  5. Step 5: Solve for x
    x = 6,485,907,751.88/89,963.70
  6. Step 6: Final answer
    x = 72,094.72

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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.