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Finding the Fourth Proportional to 118,214.22, 162,984.02 and 85,922.30

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Solution

The fourth proportional to 118,214.22, 162,984.02 and 85,922.30 is: 118,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.22 : 162,984.02 = 85,922.30 : x
  2. Step 2: Convert to fraction form
    118,214.22/162,984.02 = 85,922.30/x
  3. Step 3: Cross multiply
    118,214.22x = 162,984.02 × 85,922.30
  4. Step 4: Simplify right side
    118,214.22x = 14,003,961,861.65
  5. Step 5: Solve for x
    x = 14,003,961,861.65/118,214.22
  6. Step 6: Final answer
    x = 118,462.58

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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.