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Finding the Fourth Proportional to 222,807.84, 334,128.60 and 89,643.12

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Solution

The fourth proportional to 222,807.84, 334,128.60 and 89,643.12 is: 134,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,807.84 : 334,128.60 = 89,643.12 : x
  2. Step 2: Convert to fraction form
    222,807.84/334,128.60 = 89,643.12/x
  3. Step 3: Cross multiply
    222,807.84x = 334,128.60 × 89,643.12
  4. Step 4: Simplify right side
    222,807.84x = 29,952,330,185.23
  5. Step 5: Solve for x
    x = 29,952,330,185.23/222,807.84
  6. Step 6: Final answer
    x = 134,431.22

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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.