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Finding the Fourth Proportional to 277,486.56, 416,061.29 and 108,804.79

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Solution

The fourth proportional to 277,486.56, 416,061.29 and 108,804.79 is: 163,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,486.56 : 416,061.29 = 108,804.79 : x
  2. Step 2: Convert to fraction form
    277,486.56/416,061.29 = 108,804.79/x
  3. Step 3: Cross multiply
    277,486.56x = 416,061.29 × 108,804.79
  4. Step 4: Simplify right side
    277,486.56x = 45,269,461,285.58
  5. Step 5: Solve for x
    x = 45,269,461,285.58/277,486.56
  6. Step 6: Final answer
    x = 163,141.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.