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Finding the Fourth Proportional to 165,480.93, 248,221.49 and 70,631.37

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Solution

The fourth proportional to 165,480.93, 248,221.49 and 70,631.37 is: 105,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,480.93 : 248,221.49 = 70,631.37 : x
  2. Step 2: Convert to fraction form
    165,480.93/248,221.49 = 70,631.37/x
  3. Step 3: Cross multiply
    165,480.93x = 248,221.49 × 70,631.37
  4. Step 4: Simplify right side
    165,480.93x = 17,532,223,548.98
  5. Step 5: Solve for x
    x = 17,532,223,548.98/165,480.93
  6. Step 6: Final answer
    x = 105,947.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.