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Finding the Fourth Proportional to 226,505, 312,577.10 and 124,532.20

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Solution

The fourth proportional to 226,505, 312,577.10 and 124,532.20 is: 171,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,505 : 312,577.10 = 124,532.20 : x
  2. Step 2: Convert to fraction form
    226,505/312,577.10 = 124,532.20/x
  3. Step 3: Cross multiply
    226,505x = 312,577.10 × 124,532.20
  4. Step 4: Simplify right side
    226,505x = 38,925,913,932.62
  5. Step 5: Solve for x
    x = 38,925,913,932.62/226,505
  6. Step 6: Final answer
    x = 171,854.55

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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.