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Finding the Fourth Proportional to 265,773.76, 366,809.85 and 158,406.07

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Solution

The fourth proportional to 265,773.76, 366,809.85 and 158,406.07 is: 218,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,773.76 : 366,809.85 = 158,406.07 : x
  2. Step 2: Convert to fraction form
    265,773.76/366,809.85 = 158,406.07/x
  3. Step 3: Cross multiply
    265,773.76x = 366,809.85 × 158,406.07
  4. Step 4: Simplify right side
    265,773.76x = 58,104,906,775.79
  5. Step 5: Solve for x
    x = 58,104,906,775.79/265,773.76
  6. Step 6: Final answer
    x = 218,625.45

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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.