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Finding the Fourth Proportional to 68,117.95, 94,002.77 and 37,905.22

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Solution

The fourth proportional to 68,117.95, 94,002.77 and 37,905.22 is: 52,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,117.95 : 94,002.77 = 37,905.22 : x
  2. Step 2: Convert to fraction form
    68,117.95/94,002.77 = 37,905.22/x
  3. Step 3: Cross multiply
    68,117.95x = 94,002.77 × 37,905.22
  4. Step 4: Simplify right side
    68,117.95x = 3,563,195,889.73
  5. Step 5: Solve for x
    x = 3,563,195,889.73/68,117.95
  6. Step 6: Final answer
    x = 52,309.21

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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.