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Finding the Fourth Proportional to 201,259.62, 277,741.53 and 115,218.27

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Solution

The fourth proportional to 201,259.62, 277,741.53 and 115,218.27 is: 159,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,259.62 : 277,741.53 = 115,218.27 : x
  2. Step 2: Convert to fraction form
    201,259.62/277,741.53 = 115,218.27/x
  3. Step 3: Cross multiply
    201,259.62x = 277,741.53 × 115,218.27
  4. Step 4: Simplify right side
    201,259.62x = 32,000,898,593.75
  5. Step 5: Solve for x
    x = 32,000,898,593.75/201,259.62
  6. Step 6: Final answer
    x = 159,003.08

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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.