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Finding the Fourth Proportional to 222,739.66, 334,120.83 and 64,980.01

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Solution

The fourth proportional to 222,739.66, 334,120.83 and 64,980.01 is: 97,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,739.66 : 334,120.83 = 64,980.01 : x
  2. Step 2: Convert to fraction form
    222,739.66/334,120.83 = 64,980.01/x
  3. Step 3: Cross multiply
    222,739.66x = 334,120.83 × 64,980.01
  4. Step 4: Simplify right side
    222,739.66x = 21,711,174,874.61
  5. Step 5: Solve for x
    x = 21,711,174,874.61/222,739.66
  6. Step 6: Final answer
    x = 97,473.32

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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.