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Finding the Fourth Proportional to 160,402.01, 221,404.08 and 92,464.43

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Solution

The fourth proportional to 160,402.01, 221,404.08 and 92,464.43 is: 127,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,402.01 : 221,404.08 = 92,464.43 : x
  2. Step 2: Convert to fraction form
    160,402.01/221,404.08 = 92,464.43/x
  3. Step 3: Cross multiply
    160,402.01x = 221,404.08 × 92,464.43
  4. Step 4: Simplify right side
    160,402.01x = 20,472,000,949.85
  5. Step 5: Solve for x
    x = 20,472,000,949.85/160,402.01
  6. Step 6: Final answer
    x = 127,629.33

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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.