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Finding the Fourth Proportional to 160,556.99, 240,835.48 and 66,997.13

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Solution

The fourth proportional to 160,556.99, 240,835.48 and 66,997.13 is: 100,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,556.99 : 240,835.48 = 66,997.13 : x
  2. Step 2: Convert to fraction form
    160,556.99/240,835.48 = 66,997.13/x
  3. Step 3: Cross multiply
    160,556.99x = 240,835.48 × 66,997.13
  4. Step 4: Simplify right side
    160,556.99x = 16,135,284,590.50
  5. Step 5: Solve for x
    x = 16,135,284,590.50/160,556.99
  6. Step 6: Final answer
    x = 100,495.69

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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.