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Finding the Fourth Proportional to 223,568.76, 335,352.78 and 57,356.76

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Solution

The fourth proportional to 223,568.76, 335,352.78 and 57,356.76 is: 86,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,568.76 : 335,352.78 = 57,356.76 : x
  2. Step 2: Convert to fraction form
    223,568.76/335,352.78 = 57,356.76/x
  3. Step 3: Cross multiply
    223,568.76x = 335,352.78 × 57,356.76
  4. Step 4: Simplify right side
    223,568.76x = 19,234,748,917.79
  5. Step 5: Solve for x
    x = 19,234,748,917.79/223,568.76
  6. Step 6: Final answer
    x = 86,035.05

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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.