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Finding the Fourth Proportional to 124,068.44, 171,216.24 and 67,479.98

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Solution

The fourth proportional to 124,068.44, 171,216.24 and 67,479.98 is: 93,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,068.44 : 171,216.24 = 67,479.98 : x
  2. Step 2: Convert to fraction form
    124,068.44/171,216.24 = 67,479.98/x
  3. Step 3: Cross multiply
    124,068.44x = 171,216.24 × 67,479.98
  4. Step 4: Simplify right side
    124,068.44x = 11,553,668,450.88
  5. Step 5: Solve for x
    x = 11,553,668,450.88/124,068.44
  6. Step 6: Final answer
    x = 93,123.35

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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.