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Finding the Fourth Proportional to 219,891.29, 303,397.61 and 133,849.35

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Solution

The fourth proportional to 219,891.29, 303,397.61 and 133,849.35 is: 184,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,891.29 : 303,397.61 = 133,849.35 : x
  2. Step 2: Convert to fraction form
    219,891.29/303,397.61 = 133,849.35/x
  3. Step 3: Cross multiply
    219,891.29x = 303,397.61 × 133,849.35
  4. Step 4: Simplify right side
    219,891.29x = 40,609,572,220.81
  5. Step 5: Solve for x
    x = 40,609,572,220.81/219,891.29
  6. Step 6: Final answer
    x = 184,680.23

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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.