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Finding the Fourth Proportional to 68,167.95, 94,070.88 and 39,491.52

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Solution

The fourth proportional to 68,167.95, 94,070.88 and 39,491.52 is: 54,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.95 : 94,070.88 = 39,491.52 : x
  2. Step 2: Convert to fraction form
    68,167.95/94,070.88 = 39,491.52/x
  3. Step 3: Cross multiply
    68,167.95x = 94,070.88 × 39,491.52
  4. Step 4: Simplify right side
    68,167.95x = 3,715,002,038.94
  5. Step 5: Solve for x
    x = 3,715,002,038.94/68,167.95
  6. Step 6: Final answer
    x = 54,497.78

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1.5x scale

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.