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Finding the Fourth Proportional to 222,622.99, 333,965.90 and 72,875.45

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Solution

The fourth proportional to 222,622.99, 333,965.90 and 72,875.45 is: 109,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,622.99 : 333,965.90 = 72,875.45 : x
  2. Step 2: Convert to fraction form
    222,622.99/333,965.90 = 72,875.45/x
  3. Step 3: Cross multiply
    222,622.99x = 333,965.90 × 72,875.45
  4. Step 4: Simplify right side
    222,622.99x = 24,337,916,264.26
  5. Step 5: Solve for x
    x = 24,337,916,264.26/222,622.99
  6. Step 6: Final answer
    x = 109,323.46

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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.