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Finding the Fourth Proportional to 68,150, 94,038.80 and 37,927.76

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Solution

The fourth proportional to 68,150, 94,038.80 and 37,927.76 is: 52,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,150 : 94,038.80 = 37,927.76 : x
  2. Step 2: Convert to fraction form
    68,150/94,038.80 = 37,927.76/x
  3. Step 3: Cross multiply
    68,150x = 94,038.80 × 37,927.76
  4. Step 4: Simplify right side
    68,150x = 3,566,681,037.09
  5. Step 5: Solve for x
    x = 3,566,681,037.09/68,150
  6. Step 6: Final answer
    x = 52,335.75

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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.