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Finding the Fourth Proportional to 235,097.80, 324,434.94 and 134,495.80

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Solution

The fourth proportional to 235,097.80, 324,434.94 and 134,495.80 is: 185,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,097.80 : 324,434.94 = 134,495.80 : x
  2. Step 2: Convert to fraction form
    235,097.80/324,434.94 = 134,495.80/x
  3. Step 3: Cross multiply
    235,097.80x = 324,434.94 × 134,495.80
  4. Step 4: Simplify right side
    235,097.80x = 43,635,136,803.25
  5. Step 5: Solve for x
    x = 43,635,136,803.25/235,097.80
  6. Step 6: Final answer
    x = 185,604.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.