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Finding the Fourth Proportional to 181,415.96, 250,357.01 and 99,747.66

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Solution

The fourth proportional to 181,415.96, 250,357.01 and 99,747.66 is: 137,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,415.96 : 250,357.01 = 99,747.66 : x
  2. Step 2: Convert to fraction form
    181,415.96/250,357.01 = 99,747.66/x
  3. Step 3: Cross multiply
    181,415.96x = 250,357.01 × 99,747.66
  4. Step 4: Simplify right side
    181,415.96x = 24,972,525,413.36
  5. Step 5: Solve for x
    x = 24,972,525,413.36/181,415.96
  6. Step 6: Final answer
    x = 137,653.41

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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.