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Finding the Fourth Proportional to 215,697.17, 297,649.02 and 118,896.80

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Solution

The fourth proportional to 215,697.17, 297,649.02 and 118,896.80 is: 164,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,697.17 : 297,649.02 = 118,896.80 : x
  2. Step 2: Convert to fraction form
    215,697.17/297,649.02 = 118,896.80/x
  3. Step 3: Cross multiply
    215,697.17x = 297,649.02 × 118,896.80
  4. Step 4: Simplify right side
    215,697.17x = 35,389,514,958.75
  5. Step 5: Solve for x
    x = 35,389,514,958.75/215,697.17
  6. Step 6: Final answer
    x = 164,070.37

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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.