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Finding the Fourth Proportional to 292,764.55, 404,015.82 and 163,707.71

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Solution

The fourth proportional to 292,764.55, 404,015.82 and 163,707.71 is: 225,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,764.55 : 404,015.82 = 163,707.71 : x
  2. Step 2: Convert to fraction form
    292,764.55/404,015.82 = 163,707.71/x
  3. Step 3: Cross multiply
    292,764.55x = 404,015.82 × 163,707.71
  4. Step 4: Simplify right side
    292,764.55x = 66,140,502,061.99
  5. Step 5: Solve for x
    x = 66,140,502,061.99/292,764.55
  6. Step 6: Final answer
    x = 225,917.05

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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.