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Finding the Fourth Proportional to 88,954.62, 122,737.28 and 53,137.62

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Solution

The fourth proportional to 88,954.62, 122,737.28 and 53,137.62 is: 73,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,954.62 : 122,737.28 = 53,137.62 : x
  2. Step 2: Convert to fraction form
    88,954.62/122,737.28 = 53,137.62/x
  3. Step 3: Cross multiply
    88,954.62x = 122,737.28 × 53,137.62
  4. Step 4: Simplify right side
    88,954.62x = 6,521,966,944.47
  5. Step 5: Solve for x
    x = 6,521,966,944.47/88,954.62
  6. Step 6: Final answer
    x = 73,317.91

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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.