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Finding the Fourth Proportional to 118,494.32, 163,537.52 and 67,525.48

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Solution

The fourth proportional to 118,494.32, 163,537.52 and 67,525.48 is: 93,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,494.32 : 163,537.52 = 67,525.48 : x
  2. Step 2: Convert to fraction form
    118,494.32/163,537.52 = 67,525.48/x
  3. Step 3: Cross multiply
    118,494.32x = 163,537.52 × 67,525.48
  4. Step 4: Simplify right side
    118,494.32x = 11,042,949,536.01
  5. Step 5: Solve for x
    x = 11,042,949,536.01/118,494.32
  6. Step 6: Final answer
    x = 93,193.91

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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.