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Finding the Fourth Proportional to 265,772.76, 366,808.47 and 158,405.07

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Solution

The fourth proportional to 265,772.76, 366,808.47 and 158,405.07 is: 218,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,772.76 : 366,808.47 = 158,405.07 : x
  2. Step 2: Convert to fraction form
    265,772.76/366,808.47 = 158,405.07/x
  3. Step 3: Cross multiply
    265,772.76x = 366,808.47 × 158,405.07
  4. Step 4: Simplify right side
    265,772.76x = 58,104,321,366.94
  5. Step 5: Solve for x
    x = 58,104,321,366.94/265,772.76
  6. Step 6: Final answer
    x = 218,624.07

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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.