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Finding the Fourth Proportional to 67,339.54, 92,894.42 and 51,396.31

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Solution

The fourth proportional to 67,339.54, 92,894.42 and 51,396.31 is: 70,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.54 : 92,894.42 = 51,396.31 : x
  2. Step 2: Convert to fraction form
    67,339.54/92,894.42 = 51,396.31/x
  3. Step 3: Cross multiply
    67,339.54x = 92,894.42 × 51,396.31
  4. Step 4: Simplify right side
    67,339.54x = 4,774,429,686.14
  5. Step 5: Solve for x
    x = 4,774,429,686.14/67,339.54
  6. Step 6: Final answer
    x = 70,900.84

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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.