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Finding the Fourth Proportional to 134,679, 202,047.66 and 51,573

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Solution

The fourth proportional to 134,679, 202,047.66 and 51,573 is: 77,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,679 : 202,047.66 = 51,573 : x
  2. Step 2: Convert to fraction form
    134,679/202,047.66 = 51,573/x
  3. Step 3: Cross multiply
    134,679x = 202,047.66 × 51,573
  4. Step 4: Simplify right side
    134,679x = 10,420,203,969.18
  5. Step 5: Solve for x
    x = 10,420,203,969.18/134,679
  6. Step 6: Final answer
    x = 77,370.67

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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.