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Finding the Fourth Proportional to 222,718.60, 334,300.31 and 122,925.79

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Solution

The fourth proportional to 222,718.60, 334,300.31 and 122,925.79 is: 184,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718.60 : 334,300.31 = 122,925.79 : x
  2. Step 2: Convert to fraction form
    222,718.60/334,300.31 = 122,925.79/x
  3. Step 3: Cross multiply
    222,718.60x = 334,300.31 × 122,925.79
  4. Step 4: Simplify right side
    222,718.60x = 41,094,129,703.99
  5. Step 5: Solve for x
    x = 41,094,129,703.99/222,718.60
  6. Step 6: Final answer
    x = 184,511.44

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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.