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Finding the Fourth Proportional to 335,624.56, 503,436.23 and 99,133.31

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Solution

The fourth proportional to 335,624.56, 503,436.23 and 99,133.31 is: 148,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,624.56 : 503,436.23 = 99,133.31 : x
  2. Step 2: Convert to fraction form
    335,624.56/503,436.23 = 99,133.31/x
  3. Step 3: Cross multiply
    335,624.56x = 503,436.23 × 99,133.31
  4. Step 4: Simplify right side
    335,624.56x = 49,907,300,616.75
  5. Step 5: Solve for x
    x = 49,907,300,616.75/335,624.56
  6. Step 6: Final answer
    x = 148,699.79

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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.