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Finding the Fourth Proportional to 103,996.52, 155,121 and 94,418.36

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Solution

The fourth proportional to 103,996.52, 155,121 and 94,418.36 is: 140,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,996.52 : 155,121 = 94,418.36 : x
  2. Step 2: Convert to fraction form
    103,996.52/155,121 = 94,418.36/x
  3. Step 3: Cross multiply
    103,996.52x = 155,121 × 94,418.36
  4. Step 4: Simplify right side
    103,996.52x = 14,646,270,421.56
  5. Step 5: Solve for x
    x = 14,646,270,421.56/103,996.52
  6. Step 6: Final answer
    x = 140,834.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.