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Finding the Fourth Proportional to 223,492.02, 335,448.66 and 81,474.60

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Solution

The fourth proportional to 223,492.02, 335,448.66 and 81,474.60 is: 122,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,492.02 : 335,448.66 = 81,474.60 : x
  2. Step 2: Convert to fraction form
    223,492.02/335,448.66 = 81,474.60/x
  3. Step 3: Cross multiply
    223,492.02x = 335,448.66 × 81,474.60
  4. Step 4: Simplify right side
    223,492.02x = 27,330,545,394.04
  5. Step 5: Solve for x
    x = 27,330,545,394.04/223,492.02
  6. Step 6: Final answer
    x = 122,288.69

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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.