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Finding the Fourth Proportional to 253,181.65, 379,655.59 and 93,217.41

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Solution

The fourth proportional to 253,181.65, 379,655.59 and 93,217.41 is: 139,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,181.65 : 379,655.59 = 93,217.41 : x
  2. Step 2: Convert to fraction form
    253,181.65/379,655.59 = 93,217.41/x
  3. Step 3: Cross multiply
    253,181.65x = 379,655.59 × 93,217.41
  4. Step 4: Simplify right side
    253,181.65x = 35,390,510,791.82
  5. Step 5: Solve for x
    x = 35,390,510,791.82/253,181.65
  6. Step 6: Final answer
    x = 139,783.08

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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.