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Finding the Fourth Proportional to 80,807.46, 121,175.98 and 27,484.98

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Solution

The fourth proportional to 80,807.46, 121,175.98 and 27,484.98 is: 41,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807.46 : 121,175.98 = 27,484.98 : x
  2. Step 2: Convert to fraction form
    80,807.46/121,175.98 = 27,484.98/x
  3. Step 3: Cross multiply
    80,807.46x = 121,175.98 × 27,484.98
  4. Step 4: Simplify right side
    80,807.46x = 3,330,519,386.78
  5. Step 5: Solve for x
    x = 3,330,519,386.78/80,807.46
  6. Step 6: Final answer
    x = 41,215.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.