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Finding the Fourth Proportional to 222,181.10, 333,271.41 and 72,421.34

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Solution

The fourth proportional to 222,181.10, 333,271.41 and 72,421.34 is: 108,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,181.10 : 333,271.41 = 72,421.34 : x
  2. Step 2: Convert to fraction form
    222,181.10/333,271.41 = 72,421.34/x
  3. Step 3: Cross multiply
    222,181.10x = 333,271.41 × 72,421.34
  4. Step 4: Simplify right side
    222,181.10x = 24,135,962,095.89
  5. Step 5: Solve for x
    x = 24,135,962,095.89/222,181.10
  6. Step 6: Final answer
    x = 108,631.93

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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.