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Finding the Fourth Proportional to 80,384.44, 110,930.40 and 48,547.42

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Solution

The fourth proportional to 80,384.44, 110,930.40 and 48,547.42 is: 66,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,384.44 : 110,930.40 = 48,547.42 : x
  2. Step 2: Convert to fraction form
    80,384.44/110,930.40 = 48,547.42/x
  3. Step 3: Cross multiply
    80,384.44x = 110,930.40 × 48,547.42
  4. Step 4: Simplify right side
    80,384.44x = 5,385,384,719.57
  5. Step 5: Solve for x
    x = 5,385,384,719.57/80,384.44
  6. Step 6: Final answer
    x = 66,995.36

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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.