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Finding the Fourth Proportional to 276,995.39, 382,568.72 and 186,193.67

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Solution

The fourth proportional to 276,995.39, 382,568.72 and 186,193.67 is: 257,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,995.39 : 382,568.72 = 186,193.67 : x
  2. Step 2: Convert to fraction form
    276,995.39/382,568.72 = 186,193.67/x
  3. Step 3: Cross multiply
    276,995.39x = 382,568.72 × 186,193.67
  4. Step 4: Simplify right side
    276,995.39x = 71,231,871,160.19
  5. Step 5: Solve for x
    x = 71,231,871,160.19/276,995.39
  6. Step 6: Final answer
    x = 257,159.05

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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.