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Finding the Fourth Proportional to 101,046.51, 139,441.66 and 55,723.07

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Solution

The fourth proportional to 101,046.51, 139,441.66 and 55,723.07 is: 76,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,046.51 : 139,441.66 = 55,723.07 : x
  2. Step 2: Convert to fraction form
    101,046.51/139,441.66 = 55,723.07/x
  3. Step 3: Cross multiply
    101,046.51x = 139,441.66 × 55,723.07
  4. Step 4: Simplify right side
    101,046.51x = 7,770,117,590.39
  5. Step 5: Solve for x
    x = 7,770,117,590.39/101,046.51
  6. Step 6: Final answer
    x = 76,896.45

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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.