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Finding the Fourth Proportional to 222,643.32, 334,074.60 and 104,294.22

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Solution

The fourth proportional to 222,643.32, 334,074.60 and 104,294.22 is: 156,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,643.32 : 334,074.60 = 104,294.22 : x
  2. Step 2: Convert to fraction form
    222,643.32/334,074.60 = 104,294.22/x
  3. Step 3: Cross multiply
    222,643.32x = 334,074.60 × 104,294.22
  4. Step 4: Simplify right side
    222,643.32x = 34,842,049,828.81
  5. Step 5: Solve for x
    x = 34,842,049,828.81/222,643.32
  6. Step 6: Final answer
    x = 156,492.68

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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.