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Finding the Fourth Proportional to 124,858.46, 172,304.44 and 67,497.82

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Solution

The fourth proportional to 124,858.46, 172,304.44 and 67,497.82 is: 93,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,858.46 : 172,304.44 = 67,497.82 : x
  2. Step 2: Convert to fraction form
    124,858.46/172,304.44 = 67,497.82/x
  3. Step 3: Cross multiply
    124,858.46x = 172,304.44 × 67,497.82
  4. Step 4: Simplify right side
    124,858.46x = 11,630,174,076.32
  5. Step 5: Solve for x
    x = 11,630,174,076.32/124,858.46
  6. Step 6: Final answer
    x = 93,146.86

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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.