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Finding the Fourth Proportional to 292,764.72, 404,006.63 and 163,695.27

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Solution

The fourth proportional to 292,764.72, 404,006.63 and 163,695.27 is: 225,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,764.72 : 404,006.63 = 163,695.27 : x
  2. Step 2: Convert to fraction form
    292,764.72/404,006.63 = 163,695.27/x
  3. Step 3: Cross multiply
    292,764.72x = 404,006.63 × 163,695.27
  4. Step 4: Simplify right side
    292,764.72x = 66,133,973,561.16
  5. Step 5: Solve for x
    x = 66,133,973,561.16/292,764.72
  6. Step 6: Final answer
    x = 225,894.61

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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.