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Finding the Fourth Proportional to 223,622.18, 335,443.80 and 73,875.86

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Solution

The fourth proportional to 223,622.18, 335,443.80 and 73,875.86 is: 110,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,622.18 : 335,443.80 = 73,875.86 : x
  2. Step 2: Convert to fraction form
    223,622.18/335,443.80 = 73,875.86/x
  3. Step 3: Cross multiply
    223,622.18x = 335,443.80 × 73,875.86
  4. Step 4: Simplify right side
    223,622.18x = 24,781,199,206.67
  5. Step 5: Solve for x
    x = 24,781,199,206.67/223,622.18
  6. Step 6: Final answer
    x = 110,817.27

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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.