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Finding the Fourth Proportional to 202,956.85, 280,136.73 and 118,090.30

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Solution

The fourth proportional to 202,956.85, 280,136.73 and 118,090.30 is: 162,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,956.85 : 280,136.73 = 118,090.30 : x
  2. Step 2: Convert to fraction form
    202,956.85/280,136.73 = 118,090.30/x
  3. Step 3: Cross multiply
    202,956.85x = 280,136.73 × 118,090.30
  4. Step 4: Simplify right side
    202,956.85x = 33,081,430,486.72
  5. Step 5: Solve for x
    x = 33,081,430,486.72/202,956.85
  6. Step 6: Final answer
    x = 162,997.36

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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.