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Finding the Fourth Proportional to 223,603.38, 335,405.07 and 153,269.46

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Solution

The fourth proportional to 223,603.38, 335,405.07 and 153,269.46 is: 229,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,603.38 : 335,405.07 = 153,269.46 : x
  2. Step 2: Convert to fraction form
    223,603.38/335,405.07 = 153,269.46/x
  3. Step 3: Cross multiply
    223,603.38x = 335,405.07 × 153,269.46
  4. Step 4: Simplify right side
    223,603.38x = 51,407,353,960.16
  5. Step 5: Solve for x
    x = 51,407,353,960.16/223,603.38
  6. Step 6: Final answer
    x = 229,904.19

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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.