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Finding the Fourth Proportional to 251,079.68, 376,619.40 and 64,091.12

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Solution

The fourth proportional to 251,079.68, 376,619.40 and 64,091.12 is: 96,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,079.68 : 376,619.40 = 64,091.12 : x
  2. Step 2: Convert to fraction form
    251,079.68/376,619.40 = 64,091.12/x
  3. Step 3: Cross multiply
    251,079.68x = 376,619.40 × 64,091.12
  4. Step 4: Simplify right side
    251,079.68x = 24,137,959,159.73
  5. Step 5: Solve for x
    x = 24,137,959,159.73/251,079.68
  6. Step 6: Final answer
    x = 96,136.65

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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.