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Finding the Fourth Proportional to 67,322.54, 92,904.66 and 37,107.90

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Solution

The fourth proportional to 67,322.54, 92,904.66 and 37,107.90 is: 51,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322.54 : 92,904.66 = 37,107.90 : x
  2. Step 2: Convert to fraction form
    67,322.54/92,904.66 = 37,107.90/x
  3. Step 3: Cross multiply
    67,322.54x = 92,904.66 × 37,107.90
  4. Step 4: Simplify right side
    67,322.54x = 3,447,496,832.81
  5. Step 5: Solve for x
    x = 3,447,496,832.81/67,322.54
  6. Step 6: Final answer
    x = 51,208.65

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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.