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Finding the Fourth Proportional to 215,552.94, 323,345.81 and 73,354.20

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Solution

The fourth proportional to 215,552.94, 323,345.81 and 73,354.20 is: 110,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,552.94 : 323,345.81 = 73,354.20 : x
  2. Step 2: Convert to fraction form
    215,552.94/323,345.81 = 73,354.20/x
  3. Step 3: Cross multiply
    215,552.94x = 323,345.81 × 73,354.20
  4. Step 4: Simplify right side
    215,552.94x = 23,718,773,215.90
  5. Step 5: Solve for x
    x = 23,718,773,215.90/215,552.94
  6. Step 6: Final answer
    x = 110,036.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.