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Finding the Fourth Proportional to 88,792.84, 122,532.16 and 48,505.56

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Solution

The fourth proportional to 88,792.84, 122,532.16 and 48,505.56 is: 66,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,792.84 : 122,532.16 = 48,505.56 : x
  2. Step 2: Convert to fraction form
    88,792.84/122,532.16 = 48,505.56/x
  3. Step 3: Cross multiply
    88,792.84x = 122,532.16 × 48,505.56
  4. Step 4: Simplify right side
    88,792.84x = 5,943,491,038.81
  5. Step 5: Solve for x
    x = 5,943,491,038.81/88,792.84
  6. Step 6: Final answer
    x = 66,936.60

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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.