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Finding the Fourth Proportional to 270,008.44, 405,114.72 and 112,223.68

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Solution

The fourth proportional to 270,008.44, 405,114.72 and 112,223.68 is: 168,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,008.44 : 405,114.72 = 112,223.68 : x
  2. Step 2: Convert to fraction form
    270,008.44/405,114.72 = 112,223.68/x
  3. Step 3: Cross multiply
    270,008.44x = 405,114.72 × 112,223.68
  4. Step 4: Simplify right side
    270,008.44x = 45,463,464,700.57
  5. Step 5: Solve for x
    x = 45,463,464,700.57/270,008.44
  6. Step 6: Final answer
    x = 168,377.94

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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.