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Finding the Fourth Proportional to 223,803, 335,704.50 and 66,029.18

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Solution

The fourth proportional to 223,803, 335,704.50 and 66,029.18 is: 99,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,803 : 335,704.50 = 66,029.18 : x
  2. Step 2: Convert to fraction form
    223,803/335,704.50 = 66,029.18/x
  3. Step 3: Cross multiply
    223,803x = 335,704.50 × 66,029.18
  4. Step 4: Simplify right side
    223,803x = 22,166,291,178.79
  5. Step 5: Solve for x
    x = 22,166,291,178.79/223,803
  6. Step 6: Final answer
    x = 99,043.76

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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.