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Finding the Fourth Proportional to 201,013.70, 277,402.87 and 110,368.87

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Solution

The fourth proportional to 201,013.70, 277,402.87 and 110,368.87 is: 152,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,013.70 : 277,402.87 = 110,368.87 : x
  2. Step 2: Convert to fraction form
    201,013.70/277,402.87 = 110,368.87/x
  3. Step 3: Cross multiply
    201,013.70x = 277,402.87 × 110,368.87
  4. Step 4: Simplify right side
    201,013.70x = 30,616,641,414.21
  5. Step 5: Solve for x
    x = 30,616,641,414.21/201,013.70
  6. Step 6: Final answer
    x = 152,311.22

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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.