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Finding the Fourth Proportional to 222,334.88, 306,852.72 and 136,345.28

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Solution

The fourth proportional to 222,334.88, 306,852.72 and 136,345.28 is: 188,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,334.88 : 306,852.72 = 136,345.28 : x
  2. Step 2: Convert to fraction form
    222,334.88/306,852.72 = 136,345.28/x
  3. Step 3: Cross multiply
    222,334.88x = 306,852.72 × 136,345.28
  4. Step 4: Simplify right side
    222,334.88x = 41,837,920,027.16
  5. Step 5: Solve for x
    x = 41,837,920,027.16/222,334.88
  6. Step 6: Final answer
    x = 188,175.24

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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.