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Finding the Fourth Proportional to 80,315.59, 110,832.57 and 46,325.51

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Solution

The fourth proportional to 80,315.59, 110,832.57 and 46,325.51 is: 63,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315.59 : 110,832.57 = 46,325.51 : x
  2. Step 2: Convert to fraction form
    80,315.59/110,832.57 = 46,325.51/x
  3. Step 3: Cross multiply
    80,315.59x = 110,832.57 × 46,325.51
  4. Step 4: Simplify right side
    80,315.59x = 5,134,375,329.86
  5. Step 5: Solve for x
    x = 5,134,375,329.86/80,315.59
  6. Step 6: Final answer
    x = 63,927.51

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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.