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Finding the Fourth Proportional to 161,280.80, 226,026.40 and 161,280.80

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Solution

The fourth proportional to 161,280.80, 226,026.40 and 161,280.80 is: 226,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,280.80 : 226,026.40 = 161,280.80 : x
  2. Step 2: Convert to fraction form
    161,280.80/226,026.40 = 161,280.80/x
  3. Step 3: Cross multiply
    161,280.80x = 226,026.40 × 161,280.80
  4. Step 4: Simplify right side
    161,280.80x = 36,453,718,613.12
  5. Step 5: Solve for x
    x = 36,453,718,613.12/161,280.80
  6. Step 6: Final answer
    x = 226,026.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.