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Finding the Fourth Proportional to 225,210.10, 310,787.22 and 123,234.43

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Solution

The fourth proportional to 225,210.10, 310,787.22 and 123,234.43 is: 170,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,210.10 : 310,787.22 = 123,234.43 : x
  2. Step 2: Convert to fraction form
    225,210.10/310,787.22 = 123,234.43/x
  3. Step 3: Cross multiply
    225,210.10x = 310,787.22 × 123,234.43
  4. Step 4: Simplify right side
    225,210.10x = 38,299,684,354.05
  5. Step 5: Solve for x
    x = 38,299,684,354.05/225,210.10
  6. Step 6: Final answer
    x = 170,062.02

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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.