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Finding the Fourth Proportional to 80,107.76, 110,541.30 and 46,107.20

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Solution

The fourth proportional to 80,107.76, 110,541.30 and 46,107.20 is: 63,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,107.76 : 110,541.30 = 46,107.20 : x
  2. Step 2: Convert to fraction form
    80,107.76/110,541.30 = 46,107.20/x
  3. Step 3: Cross multiply
    80,107.76x = 110,541.30 × 46,107.20
  4. Step 4: Simplify right side
    80,107.76x = 5,096,749,827.36
  5. Step 5: Solve for x
    x = 5,096,749,827.36/80,107.76
  6. Step 6: Final answer
    x = 63,623.67

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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.