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Finding the Fourth Proportional to 340,316.88, 510,552.14 and 112,611.92

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Solution

The fourth proportional to 340,316.88, 510,552.14 and 112,611.92 is: 168,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,316.88 : 510,552.14 = 112,611.92 : x
  2. Step 2: Convert to fraction form
    340,316.88/510,552.14 = 112,611.92/x
  3. Step 3: Cross multiply
    340,316.88x = 510,552.14 × 112,611.92
  4. Step 4: Simplify right side
    340,316.88x = 57,494,253,629.69
  5. Step 5: Solve for x
    x = 57,494,253,629.69/340,316.88
  6. Step 6: Final answer
    x = 168,943.29

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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.