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Finding the Fourth Proportional to 240,499.02, 331,744.08 and 158,828.02

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Solution

The fourth proportional to 240,499.02, 331,744.08 and 158,828.02 is: 219,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,499.02 : 331,744.08 = 158,828.02 : x
  2. Step 2: Convert to fraction form
    240,499.02/331,744.08 = 158,828.02/x
  3. Step 3: Cross multiply
    240,499.02x = 331,744.08 × 158,828.02
  4. Step 4: Simplify right side
    240,499.02x = 52,690,255,373.12
  5. Step 5: Solve for x
    x = 52,690,255,373.12/240,499.02
  6. Step 6: Final answer
    x = 219,087.19

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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.