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Finding the Fourth Proportional to 223,446.36, 334,720.78 and 103,334.96

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Solution

The fourth proportional to 223,446.36, 334,720.78 and 103,334.96 is: 154,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,446.36 : 334,720.78 = 103,334.96 : x
  2. Step 2: Convert to fraction form
    223,446.36/334,720.78 = 103,334.96/x
  3. Step 3: Cross multiply
    223,446.36x = 334,720.78 × 103,334.96
  4. Step 4: Simplify right side
    223,446.36x = 34,588,358,412.47
  5. Step 5: Solve for x
    x = 34,588,358,412.47/223,446.36
  6. Step 6: Final answer
    x = 154,794.91

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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.