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Finding the Fourth Proportional to 335,707.49, 503,610.42 and 99,019.37

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Solution

The fourth proportional to 335,707.49, 503,610.42 and 99,019.37 is: 148,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,707.49 : 503,610.42 = 99,019.37 : x
  2. Step 2: Convert to fraction form
    335,707.49/503,610.42 = 99,019.37/x
  3. Step 3: Cross multiply
    335,707.49x = 503,610.42 × 99,019.37
  4. Step 4: Simplify right side
    335,707.49x = 49,867,186,513.84
  5. Step 5: Solve for x
    x = 49,867,186,513.84/335,707.49
  6. Step 6: Final answer
    x = 148,543.56

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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.