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Finding the Fourth Proportional to 222,416.90, 333,668.94 and 72,616.98

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Solution

The fourth proportional to 222,416.90, 333,668.94 and 72,616.98 is: 108,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,416.90 : 333,668.94 = 72,616.98 : x
  2. Step 2: Convert to fraction form
    222,416.90/333,668.94 = 72,616.98/x
  3. Step 3: Cross multiply
    222,416.90x = 333,668.94 × 72,616.98
  4. Step 4: Simplify right side
    222,416.90x = 24,230,030,742.60
  5. Step 5: Solve for x
    x = 24,230,030,742.60/222,416.90
  6. Step 6: Final answer
    x = 108,939.70

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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.