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Finding the Fourth Proportional to 163,980.95, 226,309.80 and 95,993.79

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Solution

The fourth proportional to 163,980.95, 226,309.80 and 95,993.79 is: 132,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,980.95 : 226,309.80 = 95,993.79 : x
  2. Step 2: Convert to fraction form
    163,980.95/226,309.80 = 95,993.79/x
  3. Step 3: Cross multiply
    163,980.95x = 226,309.80 × 95,993.79
  4. Step 4: Simplify right side
    163,980.95x = 21,724,335,416.14
  5. Step 5: Solve for x
    x = 21,724,335,416.14/163,980.95
  6. Step 6: Final answer
    x = 132,480.85

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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.