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Finding the Fourth Proportional to 259,769.64, 358,350.03 and 157,767.96

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Solution

The fourth proportional to 259,769.64, 358,350.03 and 157,767.96 is: 217,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,769.64 : 358,350.03 = 157,767.96 : x
  2. Step 2: Convert to fraction form
    259,769.64/358,350.03 = 157,767.96/x
  3. Step 3: Cross multiply
    259,769.64x = 358,350.03 × 157,767.96
  4. Step 4: Simplify right side
    259,769.64x = 56,536,153,199.04
  5. Step 5: Solve for x
    x = 56,536,153,199.04/259,769.64
  6. Step 6: Final answer
    x = 217,639.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.