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Finding the Fourth Proportional to 348,385.96, 522,812.22 and 123,737.32

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Solution

The fourth proportional to 348,385.96, 522,812.22 and 123,737.32 is: 185,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,385.96 : 522,812.22 = 123,737.32 : x
  2. Step 2: Convert to fraction form
    348,385.96/522,812.22 = 123,737.32/x
  3. Step 3: Cross multiply
    348,385.96x = 522,812.22 × 123,737.32
  4. Step 4: Simplify right side
    348,385.96x = 64,691,382,966.05
  5. Step 5: Solve for x
    x = 64,691,382,966.05/348,385.96
  6. Step 6: Final answer
    x = 185,688.83

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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.