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Finding the Fourth Proportional to 222,653.76, 333,967.68 and 72,991.68

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Solution

The fourth proportional to 222,653.76, 333,967.68 and 72,991.68 is: 109,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,653.76 : 333,967.68 = 72,991.68 : x
  2. Step 2: Convert to fraction form
    222,653.76/333,967.68 = 72,991.68/x
  3. Step 3: Cross multiply
    222,653.76x = 333,967.68 × 72,991.68
  4. Step 4: Simplify right side
    222,653.76x = 24,376,862,028.90
  5. Step 5: Solve for x
    x = 24,376,862,028.90/222,653.76
  6. Step 6: Final answer
    x = 109,483.27

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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.