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Finding the Fourth Proportional to 222,539.60, 333,841.80 and 72,743.60

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Solution

The fourth proportional to 222,539.60, 333,841.80 and 72,743.60 is: 109,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,539.60 : 333,841.80 = 72,743.60 : x
  2. Step 2: Convert to fraction form
    222,539.60/333,841.80 = 72,743.60/x
  3. Step 3: Cross multiply
    222,539.60x = 333,841.80 × 72,743.60
  4. Step 4: Simplify right side
    222,539.60x = 24,284,854,362.48
  5. Step 5: Solve for x
    x = 24,284,854,362.48/222,539.60
  6. Step 6: Final answer
    x = 109,125.99

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1.5x scale

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.