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Finding the Fourth Proportional to 160,684.50, 221,652.27 and 100,226.10

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Solution

The fourth proportional to 160,684.50, 221,652.27 and 100,226.10 is: 138,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,684.50 : 221,652.27 = 100,226.10 : x
  2. Step 2: Convert to fraction form
    160,684.50/221,652.27 = 100,226.10/x
  3. Step 3: Cross multiply
    160,684.50x = 221,652.27 × 100,226.10
  4. Step 4: Simplify right side
    160,684.50x = 22,215,342,578.25
  5. Step 5: Solve for x
    x = 22,215,342,578.25/160,684.50
  6. Step 6: Final answer
    x = 138,254.42

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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.