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Finding the Fourth Proportional to 254,015.65, 381,024.74 and 64,476.07

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Solution

The fourth proportional to 254,015.65, 381,024.74 and 64,476.07 is: 96,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,015.65 : 381,024.74 = 64,476.07 : x
  2. Step 2: Convert to fraction form
    254,015.65/381,024.74 = 64,476.07/x
  3. Step 3: Cross multiply
    254,015.65x = 381,024.74 × 64,476.07
  4. Step 4: Simplify right side
    254,015.65x = 24,566,977,807.97
  5. Step 5: Solve for x
    x = 24,566,977,807.97/254,015.65
  6. Step 6: Final answer
    x = 96,714.43

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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.