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Finding the Fourth Proportional to 163,163, 225,165.48 and 95,226.68

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Solution

The fourth proportional to 163,163, 225,165.48 and 95,226.68 is: 131,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,163 : 225,165.48 = 95,226.68 : x
  2. Step 2: Convert to fraction form
    163,163/225,165.48 = 95,226.68/x
  3. Step 3: Cross multiply
    163,163x = 225,165.48 × 95,226.68
  4. Step 4: Simplify right side
    163,163x = 21,441,761,111.01
  5. Step 5: Solve for x
    x = 21,441,761,111.01/163,163
  6. Step 6: Final answer
    x = 131,413.13

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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.