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Finding the Fourth Proportional to 110,797.83, 153,028.31 and 80,717.67

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Solution

The fourth proportional to 110,797.83, 153,028.31 and 80,717.67 is: 111,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,797.83 : 153,028.31 = 80,717.67 : x
  2. Step 2: Convert to fraction form
    110,797.83/153,028.31 = 80,717.67/x
  3. Step 3: Cross multiply
    110,797.83x = 153,028.31 × 80,717.67
  4. Step 4: Simplify right side
    110,797.83x = 12,352,088,223.65
  5. Step 5: Solve for x
    x = 12,352,088,223.65/110,797.83
  6. Step 6: Final answer
    x = 111,483.12

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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.