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Finding the Fourth Proportional to 336,056.97, 504,085.46 and 99,381.22

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Solution

The fourth proportional to 336,056.97, 504,085.46 and 99,381.22 is: 149,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,056.97 : 504,085.46 = 99,381.22 : x
  2. Step 2: Convert to fraction form
    336,056.97/504,085.46 = 99,381.22/x
  3. Step 3: Cross multiply
    336,056.97x = 504,085.46 × 99,381.22
  4. Step 4: Simplify right side
    336,056.97x = 50,096,627,999.06
  5. Step 5: Solve for x
    x = 50,096,627,999.06/336,056.97
  6. Step 6: Final answer
    x = 149,071.83

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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.