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Finding the Fourth Proportional to 219,975.12, 303,565.86 and 119,373.12

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Solution

The fourth proportional to 219,975.12, 303,565.86 and 119,373.12 is: 164,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,975.12 : 303,565.86 = 119,373.12 : x
  2. Step 2: Convert to fraction form
    219,975.12/303,565.86 = 119,373.12/x
  3. Step 3: Cross multiply
    219,975.12x = 303,565.86 × 119,373.12
  4. Step 4: Simplify right side
    219,975.12x = 36,237,603,833.68
  5. Step 5: Solve for x
    x = 36,237,603,833.68/219,975.12
  6. Step 6: Final answer
    x = 164,735.01

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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.