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Finding the Fourth Proportional to 67,166.30, 100,749.43 and 46,042.30

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Solution

The fourth proportional to 67,166.30, 100,749.43 and 46,042.30 is: 69,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,166.30 : 100,749.43 = 46,042.30 : x
  2. Step 2: Convert to fraction form
    67,166.30/100,749.43 = 46,042.30/x
  3. Step 3: Cross multiply
    67,166.30x = 100,749.43 × 46,042.30
  4. Step 4: Simplify right side
    67,166.30x = 4,638,735,397.21
  5. Step 5: Solve for x
    x = 4,638,735,397.21/67,166.30
  6. Step 6: Final answer
    x = 69,063.44

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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.