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Finding the Fourth Proportional to 222,186.93, 333,058.86 and 143,356.52

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Solution

The fourth proportional to 222,186.93, 333,058.86 and 143,356.52 is: 214,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,186.93 : 333,058.86 = 143,356.52 : x
  2. Step 2: Convert to fraction form
    222,186.93/333,058.86 = 143,356.52/x
  3. Step 3: Cross multiply
    222,186.93x = 333,058.86 × 143,356.52
  4. Step 4: Simplify right side
    222,186.93x = 47,746,157,459.47
  5. Step 5: Solve for x
    x = 47,746,157,459.47/222,186.93
  6. Step 6: Final answer
    x = 214,891.84

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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.