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Finding the Fourth Proportional to 201,017.55, 277,402.28 and 110,372.72

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Solution

The fourth proportional to 201,017.55, 277,402.28 and 110,372.72 is: 152,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017.55 : 277,402.28 = 110,372.72 : x
  2. Step 2: Convert to fraction form
    201,017.55/277,402.28 = 110,372.72/x
  3. Step 3: Cross multiply
    201,017.55x = 277,402.28 × 110,372.72
  4. Step 4: Simplify right side
    201,017.55x = 30,617,644,177.80
  5. Step 5: Solve for x
    x = 30,617,644,177.80/201,017.55
  6. Step 6: Final answer
    x = 152,313.29

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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.