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Finding the Fourth Proportional to 101,544.98, 140,133.81 and 55,608.66

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Solution

The fourth proportional to 101,544.98, 140,133.81 and 55,608.66 is: 76,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.98 : 140,133.81 = 55,608.66 : x
  2. Step 2: Convert to fraction form
    101,544.98/140,133.81 = 55,608.66/x
  3. Step 3: Cross multiply
    101,544.98x = 140,133.81 × 55,608.66
  4. Step 4: Simplify right side
    101,544.98x = 7,792,653,603.33
  5. Step 5: Solve for x
    x = 7,792,653,603.33/101,544.98
  6. Step 6: Final answer
    x = 76,740.91

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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.