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Finding the Fourth Proportional to 216,063.60, 298,047.96 and 126,622.32

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Solution

The fourth proportional to 216,063.60, 298,047.96 and 126,622.32 is: 174,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,063.60 : 298,047.96 = 126,622.32 : x
  2. Step 2: Convert to fraction form
    216,063.60/298,047.96 = 126,622.32/x
  3. Step 3: Cross multiply
    216,063.60x = 298,047.96 × 126,622.32
  4. Step 4: Simplify right side
    216,063.60x = 37,739,524,166.47
  5. Step 5: Solve for x
    x = 37,739,524,166.47/216,063.60
  6. Step 6: Final answer
    x = 174,668.59

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1.5x scale

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.