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Finding the Fourth Proportional to 112,483.22, 168,787.11 and 67,393.77

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Solution

The fourth proportional to 112,483.22, 168,787.11 and 67,393.77 is: 101,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,483.22 : 168,787.11 = 67,393.77 : x
  2. Step 2: Convert to fraction form
    112,483.22/168,787.11 = 67,393.77/x
  3. Step 3: Cross multiply
    112,483.22x = 168,787.11 × 67,393.77
  4. Step 4: Simplify right side
    112,483.22x = 11,375,199,417.58
  5. Step 5: Solve for x
    x = 11,375,199,417.58/112,483.22
  6. Step 6: Final answer
    x = 101,127.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.