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Finding the Fourth Proportional to 88,804.62, 122,423.13 and 54,790.29

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Solution

The fourth proportional to 88,804.62, 122,423.13 and 54,790.29 is: 75,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,804.62 : 122,423.13 = 54,790.29 : x
  2. Step 2: Convert to fraction form
    88,804.62/122,423.13 = 54,790.29/x
  3. Step 3: Cross multiply
    88,804.62x = 122,423.13 × 54,790.29
  4. Step 4: Simplify right side
    88,804.62x = 6,707,598,795.41
  5. Step 5: Solve for x
    x = 6,707,598,795.41/88,804.62
  6. Step 6: Final answer
    x = 75,532.09

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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.