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Finding the Fourth Proportional to 251,312.74, 376,968.87 and 64,323.94

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Solution

The fourth proportional to 251,312.74, 376,968.87 and 64,323.94 is: 96,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,312.74 : 376,968.87 = 64,323.94 : x
  2. Step 2: Convert to fraction form
    251,312.74/376,968.87 = 64,323.94/x
  3. Step 3: Cross multiply
    251,312.74x = 376,968.87 × 64,323.94
  4. Step 4: Simplify right side
    251,312.74x = 24,248,122,975.75
  5. Step 5: Solve for x
    x = 24,248,122,975.75/251,312.74
  6. Step 6: Final answer
    x = 96,485.85

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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.