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Finding the Fourth Proportional to 92,576.76, 127,660.38 and 79,192.32

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Solution

The fourth proportional to 92,576.76, 127,660.38 and 79,192.32 is: 109,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,576.76 : 127,660.38 = 79,192.32 : x
  2. Step 2: Convert to fraction form
    92,576.76/127,660.38 = 79,192.32/x
  3. Step 3: Cross multiply
    92,576.76x = 127,660.38 × 79,192.32
  4. Step 4: Simplify right side
    92,576.76x = 10,109,721,664.28
  5. Step 5: Solve for x
    x = 10,109,721,664.28/92,576.76
  6. Step 6: Final answer
    x = 109,203.67

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1.5x scale

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.