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Finding the Fourth Proportional to 210,662.48, 315,929.46 and 110,768.48

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Solution

The fourth proportional to 210,662.48, 315,929.46 and 110,768.48 is: 166,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,662.48 : 315,929.46 = 110,768.48 : x
  2. Step 2: Convert to fraction form
    210,662.48/315,929.46 = 110,768.48/x
  3. Step 3: Cross multiply
    210,662.48x = 315,929.46 × 110,768.48
  4. Step 4: Simplify right side
    210,662.48x = 34,995,026,861.24
  5. Step 5: Solve for x
    x = 34,995,026,861.24/210,662.48
  6. Step 6: Final answer
    x = 166,118.93

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1.5x scale

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.