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Finding the Fourth Proportional to 161,296.80, 241,993.80 and 114,640.80

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Solution

The fourth proportional to 161,296.80, 241,993.80 and 114,640.80 is: 171,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,296.80 : 241,993.80 = 114,640.80 : x
  2. Step 2: Convert to fraction form
    161,296.80/241,993.80 = 114,640.80/x
  3. Step 3: Cross multiply
    161,296.80x = 241,993.80 × 114,640.80
  4. Step 4: Simplify right side
    161,296.80x = 27,742,362,827.04
  5. Step 5: Solve for x
    x = 27,742,362,827.04/161,296.80
  6. Step 6: Final answer
    x = 171,995.74

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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.