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Finding the Fourth Proportional to 101,167.93, 139,605.78 and 55,844.80

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Solution

The fourth proportional to 101,167.93, 139,605.78 and 55,844.80 is: 77,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.93 : 139,605.78 = 55,844.80 : x
  2. Step 2: Convert to fraction form
    101,167.93/139,605.78 = 55,844.80/x
  3. Step 3: Cross multiply
    101,167.93x = 139,605.78 × 55,844.80
  4. Step 4: Simplify right side
    101,167.93x = 7,796,256,862.94
  5. Step 5: Solve for x
    x = 7,796,256,862.94/101,167.93
  6. Step 6: Final answer
    x = 77,062.53

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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.