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Finding the Fourth Proportional to 88,377, 121,960.26 and 48,633

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Solution

The fourth proportional to 88,377, 121,960.26 and 48,633 is: 67,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,377 : 121,960.26 = 48,633 : x
  2. Step 2: Convert to fraction form
    88,377/121,960.26 = 48,633/x
  3. Step 3: Cross multiply
    88,377x = 121,960.26 × 48,633
  4. Step 4: Simplify right side
    88,377x = 5,931,293,324.58
  5. Step 5: Solve for x
    x = 5,931,293,324.58/88,377
  6. Step 6: Final answer
    x = 67,113.54

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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.