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Finding the Fourth Proportional to 169,963.56, 234,333 and 106,278.12

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Solution

The fourth proportional to 169,963.56, 234,333 and 106,278.12 is: 146,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,963.56 : 234,333 = 106,278.12 : x
  2. Step 2: Convert to fraction form
    169,963.56/234,333 = 106,278.12/x
  3. Step 3: Cross multiply
    169,963.56x = 234,333 × 106,278.12
  4. Step 4: Simplify right side
    169,963.56x = 24,904,470,693.96
  5. Step 5: Solve for x
    x = 24,904,470,693.96/169,963.56
  6. Step 6: Final answer
    x = 146,528.30

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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.