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Finding the Fourth Proportional to 192,035.92, 264,967.12 and 111,416.72

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Solution

The fourth proportional to 192,035.92, 264,967.12 and 111,416.72 is: 153,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,035.92 : 264,967.12 = 111,416.72 : x
  2. Step 2: Convert to fraction form
    192,035.92/264,967.12 = 111,416.72/x
  3. Step 3: Cross multiply
    192,035.92x = 264,967.12 × 111,416.72
  4. Step 4: Simplify right side
    192,035.92x = 29,521,767,418.25
  5. Step 5: Solve for x
    x = 29,521,767,418.25/192,035.92
  6. Step 6: Final answer
    x = 153,730.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.