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Finding the Fourth Proportional to 88,504.56, 122,042.52 and 56,674.80

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Solution

The fourth proportional to 88,504.56, 122,042.52 and 56,674.80 is: 78,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,504.56 : 122,042.52 = 56,674.80 : x
  2. Step 2: Convert to fraction form
    88,504.56/122,042.52 = 56,674.80/x
  3. Step 3: Cross multiply
    88,504.56x = 122,042.52 × 56,674.80
  4. Step 4: Simplify right side
    88,504.56x = 6,916,735,412.50
  5. Step 5: Solve for x
    x = 6,916,735,412.50/88,504.56
  6. Step 6: Final answer
    x = 78,151.18

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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.