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Finding the Fourth Proportional to 88,797.28, 122,484 and 67,529.92

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Solution

The fourth proportional to 88,797.28, 122,484 and 67,529.92 is: 93,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,797.28 : 122,484 = 67,529.92 : x
  2. Step 2: Convert to fraction form
    88,797.28/122,484 = 67,529.92/x
  3. Step 3: Cross multiply
    88,797.28x = 122,484 × 67,529.92
  4. Step 4: Simplify right side
    88,797.28x = 8,271,334,721.28
  5. Step 5: Solve for x
    x = 8,271,334,721.28/88,797.28
  6. Step 6: Final answer
    x = 93,148.51

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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.