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Finding the Fourth Proportional to 160,401, 221,402.67 and 92,463.39

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Solution

The fourth proportional to 160,401, 221,402.67 and 92,463.39 is: 127,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,401 : 221,402.67 = 92,463.39 : x
  2. Step 2: Convert to fraction form
    160,401/221,402.67 = 92,463.39/x
  3. Step 3: Cross multiply
    160,401x = 221,402.67 × 92,463.39
  4. Step 4: Simplify right side
    160,401x = 20,471,641,423.25
  5. Step 5: Solve for x
    x = 20,471,641,423.25/160,401
  6. Step 6: Final answer
    x = 127,627.89

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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.