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Finding the Fourth Proportional to 336,607.60, 504,855.18 and 111,991.76

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Solution

The fourth proportional to 336,607.60, 504,855.18 and 111,991.76 is: 167,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,607.60 : 504,855.18 = 111,991.76 : x
  2. Step 2: Convert to fraction form
    336,607.60/504,855.18 = 111,991.76/x
  3. Step 3: Cross multiply
    336,607.60x = 504,855.18 × 111,991.76
  4. Step 4: Simplify right side
    336,607.60x = 56,539,620,153.32
  5. Step 5: Solve for x
    x = 56,539,620,153.32/336,607.60
  6. Step 6: Final answer
    x = 167,968.94

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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.