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Finding the Fourth Proportional to 219,048.62, 302,423.93 and 167,963.19

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Solution

The fourth proportional to 219,048.62, 302,423.93 and 167,963.19 is: 231,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,048.62 : 302,423.93 = 167,963.19 : x
  2. Step 2: Convert to fraction form
    219,048.62/302,423.93 = 167,963.19/x
  3. Step 3: Cross multiply
    219,048.62x = 302,423.93 × 167,963.19
  4. Step 4: Simplify right side
    219,048.62x = 50,796,087,175.32
  5. Step 5: Solve for x
    x = 50,796,087,175.32/219,048.62
  6. Step 6: Final answer
    x = 231,894.13

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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.