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Finding the Fourth Proportional to 292,686.84, 403,906.50 and 158,550.84

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Solution

The fourth proportional to 292,686.84, 403,906.50 and 158,550.84 is: 218,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,686.84 : 403,906.50 = 158,550.84 : x
  2. Step 2: Convert to fraction form
    292,686.84/403,906.50 = 158,550.84/x
  3. Step 3: Cross multiply
    292,686.84x = 403,906.50 × 158,550.84
  4. Step 4: Simplify right side
    292,686.84x = 64,039,714,856.46
  5. Step 5: Solve for x
    x = 64,039,714,856.46/292,686.84
  6. Step 6: Final answer
    x = 218,799.43

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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.