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Finding the Fourth Proportional to 348,992.52, 523,572.30 and 112,357.32

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Solution

The fourth proportional to 348,992.52, 523,572.30 and 112,357.32 is: 168,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,992.52 : 523,572.30 = 112,357.32 : x
  2. Step 2: Convert to fraction form
    348,992.52/523,572.30 = 112,357.32/x
  3. Step 3: Cross multiply
    348,992.52x = 523,572.30 × 112,357.32
  4. Step 4: Simplify right side
    348,992.52x = 58,827,180,454.24
  5. Step 5: Solve for x
    x = 58,827,180,454.24/348,992.52
  6. Step 6: Final answer
    x = 168,562.87

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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.