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Finding the Fourth Proportional to 88,661.84, 122,355.24 and 48,376.40

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Solution

The fourth proportional to 88,661.84, 122,355.24 and 48,376.40 is: 66,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.84 : 122,355.24 = 48,376.40 : x
  2. Step 2: Convert to fraction form
    88,661.84/122,355.24 = 48,376.40/x
  3. Step 3: Cross multiply
    88,661.84x = 122,355.24 × 48,376.40
  4. Step 4: Simplify right side
    88,661.84x = 5,919,106,032.34
  5. Step 5: Solve for x
    x = 5,919,106,032.34/88,661.84
  6. Step 6: Final answer
    x = 66,760.47

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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.