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Finding the Fourth Proportional to 335,441.64, 503,215.44 and 98,753.16

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Solution

The fourth proportional to 335,441.64, 503,215.44 and 98,753.16 is: 148,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,441.64 : 503,215.44 = 98,753.16 : x
  2. Step 2: Convert to fraction form
    335,441.64/503,215.44 = 98,753.16/x
  3. Step 3: Cross multiply
    335,441.64x = 503,215.44 × 98,753.16
  4. Step 4: Simplify right side
    335,441.64x = 49,694,114,860.79
  5. Step 5: Solve for x
    x = 49,694,114,860.79/335,441.64
  6. Step 6: Final answer
    x = 148,145.34

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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.