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Finding the Fourth Proportional to 72,242.08, 108,323.40 and 22,308.40

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Solution

The fourth proportional to 72,242.08, 108,323.40 and 22,308.40 is: 33,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,242.08 : 108,323.40 = 22,308.40 : x
  2. Step 2: Convert to fraction form
    72,242.08/108,323.40 = 22,308.40/x
  3. Step 3: Cross multiply
    72,242.08x = 108,323.40 × 22,308.40
  4. Step 4: Simplify right side
    72,242.08x = 2,416,521,736.56
  5. Step 5: Solve for x
    x = 2,416,521,736.56/72,242.08
  6. Step 6: Final answer
    x = 33,450.33

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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.