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Finding the Fourth Proportional to 312,802.06, 469,104 and 113,096.02

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Solution

The fourth proportional to 312,802.06, 469,104 and 113,096.02 is: 169,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,802.06 : 469,104 = 113,096.02 : x
  2. Step 2: Convert to fraction form
    312,802.06/469,104 = 113,096.02/x
  3. Step 3: Cross multiply
    312,802.06x = 469,104 × 113,096.02
  4. Step 4: Simplify right side
    312,802.06x = 53,053,795,366.08
  5. Step 5: Solve for x
    x = 53,053,795,366.08/312,802.06
  6. Step 6: Final answer
    x = 169,608.20

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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.