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Finding the Fourth Proportional to 219,565.13, 303,000.08 and 118,963.13

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Solution

The fourth proportional to 219,565.13, 303,000.08 and 118,963.13 is: 164,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,565.13 : 303,000.08 = 118,963.13 : x
  2. Step 2: Convert to fraction form
    219,565.13/303,000.08 = 118,963.13/x
  3. Step 3: Cross multiply
    219,565.13x = 303,000.08 × 118,963.13
  4. Step 4: Simplify right side
    219,565.13x = 36,045,835,797.23
  5. Step 5: Solve for x
    x = 36,045,835,797.23/219,565.13
  6. Step 6: Final answer
    x = 164,169.22

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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.