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Finding the Fourth Proportional to 88,968, 122,797.71 and 51,264.12

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Solution

The fourth proportional to 88,968, 122,797.71 and 51,264.12 is: 70,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,968 : 122,797.71 = 51,264.12 : x
  2. Step 2: Convert to fraction form
    88,968/122,797.71 = 51,264.12/x
  3. Step 3: Cross multiply
    88,968x = 122,797.71 × 51,264.12
  4. Step 4: Simplify right side
    88,968x = 6,295,116,541.17
  5. Step 5: Solve for x
    x = 6,295,116,541.17/88,968
  6. Step 6: Final answer
    x = 70,757.09

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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.