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Finding the Fourth Proportional to 375,318.70, 563,015.01 and 109,081.54

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Solution

The fourth proportional to 375,318.70, 563,015.01 and 109,081.54 is: 163,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,318.70 : 563,015.01 = 109,081.54 : x
  2. Step 2: Convert to fraction form
    375,318.70/563,015.01 = 109,081.54/x
  3. Step 3: Cross multiply
    375,318.70x = 563,015.01 × 109,081.54
  4. Step 4: Simplify right side
    375,318.70x = 61,414,544,333.92
  5. Step 5: Solve for x
    x = 61,414,544,333.92/375,318.70
  6. Step 6: Final answer
    x = 163,633.05

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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.