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Finding the Fourth Proportional to 88,366, 121,945.08 and 48,622

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Solution

The fourth proportional to 88,366, 121,945.08 and 48,622 is: 67,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,366 : 121,945.08 = 48,622 : x
  2. Step 2: Convert to fraction form
    88,366/121,945.08 = 48,622/x
  3. Step 3: Cross multiply
    88,366x = 121,945.08 × 48,622
  4. Step 4: Simplify right side
    88,366x = 5,929,213,679.76
  5. Step 5: Solve for x
    x = 5,929,213,679.76/88,366
  6. Step 6: Final answer
    x = 67,098.36

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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.