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Finding the Fourth Proportional to 348,861.42, 522,959.97 and 112,038.02

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Solution

The fourth proportional to 348,861.42, 522,959.97 and 112,038.02 is: 167,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,861.42 : 522,959.97 = 112,038.02 : x
  2. Step 2: Convert to fraction form
    348,861.42/522,959.97 = 112,038.02/x
  3. Step 3: Cross multiply
    348,861.42x = 522,959.97 × 112,038.02
  4. Step 4: Simplify right side
    348,861.42x = 58,591,399,578.06
  5. Step 5: Solve for x
    x = 58,591,399,578.06/348,861.42
  6. Step 6: Final answer
    x = 167,950.36

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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.