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Finding the Fourth Proportional to 222,148.60, 333,241.84 and 78,041.82

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Solution

The fourth proportional to 222,148.60, 333,241.84 and 78,041.82 is: 117,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,148.60 : 333,241.84 = 78,041.82 : x
  2. Step 2: Convert to fraction form
    222,148.60/333,241.84 = 78,041.82/x
  3. Step 3: Cross multiply
    222,148.60x = 333,241.84 × 78,041.82
  4. Step 4: Simplify right side
    222,148.60x = 26,006,799,693.75
  5. Step 5: Solve for x
    x = 26,006,799,693.75/222,148.60
  6. Step 6: Final answer
    x = 117,069.38

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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.