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Finding the Fourth Proportional to 222,108, 333,196.62 and 72,312.93

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Solution

The fourth proportional to 222,108, 333,196.62 and 72,312.93 is: 108,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,108 : 333,196.62 = 72,312.93 : x
  2. Step 2: Convert to fraction form
    222,108/333,196.62 = 72,312.93/x
  3. Step 3: Cross multiply
    222,108x = 333,196.62 × 72,312.93
  4. Step 4: Simplify right side
    222,108x = 24,094,423,858.30
  5. Step 5: Solve for x
    x = 24,094,423,858.30/222,108
  6. Step 6: Final answer
    x = 108,480.67

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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.