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Finding the Fourth Proportional to 201,387.38, 277,921.73 and 110,750.25

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Solution

The fourth proportional to 201,387.38, 277,921.73 and 110,750.25 is: 152,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,387.38 : 277,921.73 = 110,750.25 : x
  2. Step 2: Convert to fraction form
    201,387.38/277,921.73 = 110,750.25/x
  3. Step 3: Cross multiply
    201,387.38x = 277,921.73 × 110,750.25
  4. Step 4: Simplify right side
    201,387.38x = 30,779,899,351.21
  5. Step 5: Solve for x
    x = 30,779,899,351.21/201,387.38
  6. Step 6: Final answer
    x = 152,839.26

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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.