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Finding the Fourth Proportional to 223,641.47, 335,535.11 and 105,324.77

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Solution

The fourth proportional to 223,641.47, 335,535.11 and 105,324.77 is: 158,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,641.47 : 335,535.11 = 105,324.77 : x
  2. Step 2: Convert to fraction form
    223,641.47/335,535.11 = 105,324.77/x
  3. Step 3: Cross multiply
    223,641.47x = 335,535.11 × 105,324.77
  4. Step 4: Simplify right side
    223,641.47x = 35,340,158,994.86
  5. Step 5: Solve for x
    x = 35,340,158,994.86/223,641.47
  6. Step 6: Final answer
    x = 158,021.49

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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.