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Finding the Fourth Proportional to 336,160.22, 504,239.28 and 105,366.78

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Solution

The fourth proportional to 336,160.22, 504,239.28 and 105,366.78 is: 158,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,160.22 : 504,239.28 = 105,366.78 : x
  2. Step 2: Convert to fraction form
    336,160.22/504,239.28 = 105,366.78/x
  3. Step 3: Cross multiply
    336,160.22x = 504,239.28 × 105,366.78
  4. Step 4: Simplify right side
    336,160.22x = 53,130,069,283.12
  5. Step 5: Solve for x
    x = 53,130,069,283.12/336,160.22
  6. Step 6: Final answer
    x = 158,049.84

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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.