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Finding the Fourth Proportional to 201,073.28, 277,401.60 and 116,174.72

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Solution

The fourth proportional to 201,073.28, 277,401.60 and 116,174.72 is: 160,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,073.28 : 277,401.60 = 116,174.72 : x
  2. Step 2: Convert to fraction form
    201,073.28/277,401.60 = 116,174.72/x
  3. Step 3: Cross multiply
    201,073.28x = 277,401.60 × 116,174.72
  4. Step 4: Simplify right side
    201,073.28x = 32,227,053,207.55
  5. Step 5: Solve for x
    x = 32,227,053,207.55/201,073.28
  6. Step 6: Final answer
    x = 160,275.17

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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.