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Finding the Fourth Proportional to 80,315.02, 110,838.90 and 44,509.06

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Solution

The fourth proportional to 80,315.02, 110,838.90 and 44,509.06 is: 61,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315.02 : 110,838.90 = 44,509.06 : x
  2. Step 2: Convert to fraction form
    80,315.02/110,838.90 = 44,509.06/x
  3. Step 3: Cross multiply
    80,315.02x = 110,838.90 × 44,509.06
  4. Step 4: Simplify right side
    80,315.02x = 4,933,335,250.43
  5. Step 5: Solve for x
    x = 4,933,335,250.43/80,315.02
  6. Step 6: Final answer
    x = 61,424.82

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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.