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Finding the Fourth Proportional to 243,093.99, 335,488.30 and 134,219.32

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Solution

The fourth proportional to 243,093.99, 335,488.30 and 134,219.32 is: 185,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,093.99 : 335,488.30 = 134,219.32 : x
  2. Step 2: Convert to fraction form
    243,093.99/335,488.30 = 134,219.32/x
  3. Step 3: Cross multiply
    243,093.99x = 335,488.30 × 134,219.32
  4. Step 4: Simplify right side
    243,093.99x = 45,029,011,493.96
  5. Step 5: Solve for x
    x = 45,029,011,493.96/243,093.99
  6. Step 6: Final answer
    x = 185,232.93

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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.