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Finding the Fourth Proportional to 226,665.58, 312,792.23 and 123,296.34

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Solution

The fourth proportional to 226,665.58, 312,792.23 and 123,296.34 is: 170,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,665.58 : 312,792.23 = 123,296.34 : x
  2. Step 2: Convert to fraction form
    226,665.58/312,792.23 = 123,296.34/x
  3. Step 3: Cross multiply
    226,665.58x = 312,792.23 × 123,296.34
  4. Step 4: Simplify right side
    226,665.58x = 38,566,136,522.96
  5. Step 5: Solve for x
    x = 38,566,136,522.96/226,665.58
  6. Step 6: Final answer
    x = 170,145.54

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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.