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Finding the Fourth Proportional to 348,172.92, 521,559.54 and 181,611

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Solution

The fourth proportional to 348,172.92, 521,559.54 and 181,611 is: 272,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,172.92 : 521,559.54 = 181,611 : x
  2. Step 2: Convert to fraction form
    348,172.92/521,559.54 = 181,611/x
  3. Step 3: Cross multiply
    348,172.92x = 521,559.54 × 181,611
  4. Step 4: Simplify right side
    348,172.92x = 94,720,949,618.94
  5. Step 5: Solve for x
    x = 94,720,949,618.94/348,172.92
  6. Step 6: Final answer
    x = 272,051.46

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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.