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Finding the Fourth Proportional to 118,082.92, 162,954.26 and 64,368.04

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Solution

The fourth proportional to 118,082.92, 162,954.26 and 64,368.04 is: 88,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,082.92 : 162,954.26 = 64,368.04 : x
  2. Step 2: Convert to fraction form
    118,082.92/162,954.26 = 64,368.04/x
  3. Step 3: Cross multiply
    118,082.92x = 162,954.26 × 64,368.04
  4. Step 4: Simplify right side
    118,082.92x = 10,489,046,325.85
  5. Step 5: Solve for x
    x = 10,489,046,325.85/118,082.92
  6. Step 6: Final answer
    x = 88,827.80

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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.