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Finding the Fourth Proportional to 88,955.91, 122,804.01 and 68,767.20

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Solution

The fourth proportional to 88,955.91, 122,804.01 and 68,767.20 is: 94,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,955.91 : 122,804.01 = 68,767.20 : x
  2. Step 2: Convert to fraction form
    88,955.91/122,804.01 = 68,767.20/x
  3. Step 3: Cross multiply
    88,955.91x = 122,804.01 × 68,767.20
  4. Step 4: Simplify right side
    88,955.91x = 8,444,887,916.47
  5. Step 5: Solve for x
    x = 8,444,887,916.47/88,955.91
  6. Step 6: Final answer
    x = 94,933.41

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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.