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Finding the Fourth Proportional to 68,117.63, 94,002.73 and 38,309.63

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Solution

The fourth proportional to 68,117.63, 94,002.73 and 38,309.63 is: 52,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,117.63 : 94,002.73 = 38,309.63 : x
  2. Step 2: Convert to fraction form
    68,117.63/94,002.73 = 38,309.63/x
  3. Step 3: Cross multiply
    68,117.63x = 94,002.73 × 38,309.63
  4. Step 4: Simplify right side
    68,117.63x = 3,601,209,239.50
  5. Step 5: Solve for x
    x = 3,601,209,239.50/68,117.63
  6. Step 6: Final answer
    x = 52,867.51

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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.