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Finding the Fourth Proportional to 251,056.72, 376,584.84 and 64,068.20

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Solution

The fourth proportional to 251,056.72, 376,584.84 and 64,068.20 is: 96,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,056.72 : 376,584.84 = 64,068.20 : x
  2. Step 2: Convert to fraction form
    251,056.72/376,584.84 = 64,068.20/x
  3. Step 3: Cross multiply
    251,056.72x = 376,584.84 × 64,068.20
  4. Step 4: Simplify right side
    251,056.72x = 24,127,112,846.09
  5. Step 5: Solve for x
    x = 24,127,112,846.09/251,056.72
  6. Step 6: Final answer
    x = 96,102.24

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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.