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Finding the Fourth Proportional to 223,820.17, 335,430.79 and 109,793.65

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Solution

The fourth proportional to 223,820.17, 335,430.79 and 109,793.65 is: 164,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,820.17 : 335,430.79 = 109,793.65 : x
  2. Step 2: Convert to fraction form
    223,820.17/335,430.79 = 109,793.65/x
  3. Step 3: Cross multiply
    223,820.17x = 335,430.79 × 109,793.65
  4. Step 4: Simplify right side
    223,820.17x = 36,828,170,756.48
  5. Step 5: Solve for x
    x = 36,828,170,756.48/223,820.17
  6. Step 6: Final answer
    x = 164,543.57

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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.