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Finding the Fourth Proportional to 88,785.92, 122,504.40 and 52,968.94

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Solution

The fourth proportional to 88,785.92, 122,504.40 and 52,968.94 is: 73,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,785.92 : 122,504.40 = 52,968.94 : x
  2. Step 2: Convert to fraction form
    88,785.92/122,504.40 = 52,968.94/x
  3. Step 3: Cross multiply
    88,785.92x = 122,504.40 × 52,968.94
  4. Step 4: Simplify right side
    88,785.92x = 6,488,927,907.08
  5. Step 5: Solve for x
    x = 6,488,927,907.08/88,785.92
  6. Step 6: Final answer
    x = 73,085.10

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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.