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Finding the Fourth Proportional to 302,792.52, 417,872.34 and 168,656.52

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Solution

The fourth proportional to 302,792.52, 417,872.34 and 168,656.52 is: 232,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,792.52 : 417,872.34 = 168,656.52 : x
  2. Step 2: Convert to fraction form
    302,792.52/417,872.34 = 168,656.52/x
  3. Step 3: Cross multiply
    302,792.52x = 417,872.34 × 168,656.52
  4. Step 4: Simplify right side
    302,792.52x = 70,476,894,668.66
  5. Step 5: Solve for x
    x = 70,476,894,668.66/302,792.52
  6. Step 6: Final answer
    x = 232,756.39

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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.