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Finding the Fourth Proportional to 72,166.70, 108,266.45 and 32,735.09

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Solution

The fourth proportional to 72,166.70, 108,266.45 and 32,735.09 is: 49,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,166.70 : 108,266.45 = 32,735.09 : x
  2. Step 2: Convert to fraction form
    72,166.70/108,266.45 = 32,735.09/x
  3. Step 3: Cross multiply
    72,166.70x = 108,266.45 × 32,735.09
  4. Step 4: Simplify right side
    72,166.70x = 3,544,111,279.72
  5. Step 5: Solve for x
    x = 3,544,111,279.72/72,166.70
  6. Step 6: Final answer
    x = 49,110.07

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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.