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Finding the Fourth Proportional to 223,954.32, 309,056.96 and 123,352.32

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Solution

The fourth proportional to 223,954.32, 309,056.96 and 123,352.32 is: 170,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,954.32 : 309,056.96 = 123,352.32 : x
  2. Step 2: Convert to fraction form
    223,954.32/309,056.96 = 123,352.32/x
  3. Step 3: Cross multiply
    223,954.32x = 309,056.96 × 123,352.32
  4. Step 4: Simplify right side
    223,954.32x = 38,122,893,028.15
  5. Step 5: Solve for x
    x = 38,122,893,028.15/223,954.32
  6. Step 6: Final answer
    x = 170,226.20

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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.