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Finding the Fourth Proportional to 93,609.60, 140,414.40 and 41,121.60

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Solution

The fourth proportional to 93,609.60, 140,414.40 and 41,121.60 is: 61,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,609.60 : 140,414.40 = 41,121.60 : x
  2. Step 2: Convert to fraction form
    93,609.60/140,414.40 = 41,121.60/x
  3. Step 3: Cross multiply
    93,609.60x = 140,414.40 × 41,121.60
  4. Step 4: Simplify right side
    93,609.60x = 5,774,064,791.04
  5. Step 5: Solve for x
    x = 5,774,064,791.04/93,609.60
  6. Step 6: Final answer
    x = 61,682.40

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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.