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Finding the Fourth Proportional to 251,030.08, 376,555.20 and 64,043.20

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Solution

The fourth proportional to 251,030.08, 376,555.20 and 64,043.20 is: 96,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,030.08 : 376,555.20 = 64,043.20 : x
  2. Step 2: Convert to fraction form
    251,030.08/376,555.20 = 64,043.20/x
  3. Step 3: Cross multiply
    251,030.08x = 376,555.20 × 64,043.20
  4. Step 4: Simplify right side
    251,030.08x = 24,115,799,984.64
  5. Step 5: Solve for x
    x = 24,115,799,984.64/251,030.08
  6. Step 6: Final answer
    x = 96,067.37

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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.