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Finding the Fourth Proportional to 146,329.25, 201,930.23 and 85,898.93

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Solution

The fourth proportional to 146,329.25, 201,930.23 and 85,898.93 is: 118,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,329.25 : 201,930.23 = 85,898.93 : x
  2. Step 2: Convert to fraction form
    146,329.25/201,930.23 = 85,898.93/x
  3. Step 3: Cross multiply
    146,329.25x = 201,930.23 × 85,898.93
  4. Step 4: Simplify right side
    146,329.25x = 17,345,589,896.75
  5. Step 5: Solve for x
    x = 17,345,589,896.75/146,329.25
  6. Step 6: Final answer
    x = 118,538.09

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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.