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Finding the Fourth Proportional to 202,200.36, 303,054.57 and 143,053.08

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Solution

The fourth proportional to 202,200.36, 303,054.57 and 143,053.08 is: 214,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,200.36 : 303,054.57 = 143,053.08 : x
  2. Step 2: Convert to fraction form
    202,200.36/303,054.57 = 143,053.08/x
  3. Step 3: Cross multiply
    202,200.36x = 303,054.57 × 143,053.08
  4. Step 4: Simplify right side
    202,200.36x = 43,352,889,646.58
  5. Step 5: Solve for x
    x = 43,352,889,646.58/202,200.36
  6. Step 6: Final answer
    x = 214,405.60

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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.