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Finding the Fourth Proportional to 222,606.40, 334,168.80 and 144,047.20

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Solution

The fourth proportional to 222,606.40, 334,168.80 and 144,047.20 is: 216,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,606.40 : 334,168.80 = 144,047.20 : x
  2. Step 2: Convert to fraction form
    222,606.40/334,168.80 = 144,047.20/x
  3. Step 3: Cross multiply
    222,606.40x = 334,168.80 × 144,047.20
  4. Step 4: Simplify right side
    222,606.40x = 48,136,079,967.36
  5. Step 5: Solve for x
    x = 48,136,079,967.36/222,606.40
  6. Step 6: Final answer
    x = 216,238.53

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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.