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Finding the Fourth Proportional to 223,401.60, 335,134.80 and 73,616.40

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Solution

The fourth proportional to 223,401.60, 335,134.80 and 73,616.40 is: 110,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,401.60 : 335,134.80 = 73,616.40 : x
  2. Step 2: Convert to fraction form
    223,401.60/335,134.80 = 73,616.40/x
  3. Step 3: Cross multiply
    223,401.60x = 335,134.80 × 73,616.40
  4. Step 4: Simplify right side
    223,401.60x = 24,671,417,490.72
  5. Step 5: Solve for x
    x = 24,671,417,490.72/223,401.60
  6. Step 6: Final answer
    x = 110,435.28

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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.