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Finding the Fourth Proportional to 88,669, 122,363.22 and 48,925

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Solution

The fourth proportional to 88,669, 122,363.22 and 48,925 is: 67,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669 : 122,363.22 = 48,925 : x
  2. Step 2: Convert to fraction form
    88,669/122,363.22 = 48,925/x
  3. Step 3: Cross multiply
    88,669x = 122,363.22 × 48,925
  4. Step 4: Simplify right side
    88,669x = 5,986,620,538.50
  5. Step 5: Solve for x
    x = 5,986,620,538.50/88,669
  6. Step 6: Final answer
    x = 67,516.50

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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.