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Finding the Fourth Proportional to 201,522.10, 277,911.70 and 125,053.60

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Solution

The fourth proportional to 201,522.10, 277,911.70 and 125,053.60 is: 172,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,522.10 : 277,911.70 = 125,053.60 : x
  2. Step 2: Convert to fraction form
    201,522.10/277,911.70 = 125,053.60/x
  3. Step 3: Cross multiply
    201,522.10x = 277,911.70 × 125,053.60
  4. Step 4: Simplify right side
    201,522.10x = 34,753,858,567.12
  5. Step 5: Solve for x
    x = 34,753,858,567.12/201,522.10
  6. Step 6: Final answer
    x = 172,456.81

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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.