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Finding the Fourth Proportional to 334,662.63, 502,193.42 and 121,447.20

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Solution

The fourth proportional to 334,662.63, 502,193.42 and 121,447.20 is: 182,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,662.63 : 502,193.42 = 121,447.20 : x
  2. Step 2: Convert to fraction form
    334,662.63/502,193.42 = 121,447.20/x
  3. Step 3: Cross multiply
    334,662.63x = 502,193.42 × 121,447.20
  4. Step 4: Simplify right side
    334,662.63x = 60,989,984,110.19
  5. Step 5: Solve for x
    x = 60,989,984,110.19/334,662.63
  6. Step 6: Final answer
    x = 182,243.19

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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.