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Finding the Fourth Proportional to 265,918.53, 367,014.99 and 158,495.52

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Solution

The fourth proportional to 265,918.53, 367,014.99 and 158,495.52 is: 218,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,918.53 : 367,014.99 = 158,495.52 : x
  2. Step 2: Convert to fraction form
    265,918.53/367,014.99 = 158,495.52/x
  3. Step 3: Cross multiply
    265,918.53x = 367,014.99 × 158,495.52
  4. Step 4: Simplify right side
    265,918.53x = 58,170,231,687.84
  5. Step 5: Solve for x
    x = 58,170,231,687.84/265,918.53
  6. Step 6: Final answer
    x = 218,752.08

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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.