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Finding the Fourth Proportional to 101,273.33, 139,769.07 and 61,007.42

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Solution

The fourth proportional to 101,273.33, 139,769.07 and 61,007.42 is: 84,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,273.33 : 139,769.07 = 61,007.42 : x
  2. Step 2: Convert to fraction form
    101,273.33/139,769.07 = 61,007.42/x
  3. Step 3: Cross multiply
    101,273.33x = 139,769.07 × 61,007.42
  4. Step 4: Simplify right side
    101,273.33x = 8,526,950,356.50
  5. Step 5: Solve for x
    x = 8,526,950,356.50/101,273.33
  6. Step 6: Final answer
    x = 84,197.39

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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.