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Finding the Fourth Proportional to 116,201.25, 160,357.73 and 65,900.25

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Solution

The fourth proportional to 116,201.25, 160,357.73 and 65,900.25 is: 90,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,201.25 : 160,357.73 = 65,900.25 : x
  2. Step 2: Convert to fraction form
    116,201.25/160,357.73 = 65,900.25/x
  3. Step 3: Cross multiply
    116,201.25x = 160,357.73 × 65,900.25
  4. Step 4: Simplify right side
    116,201.25x = 10,567,614,166.93
  5. Step 5: Solve for x
    x = 10,567,614,166.93/116,201.25
  6. Step 6: Final answer
    x = 90,942.35

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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.