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Finding the Fourth Proportional to 202,231.10, 303,322.35 and 83,890.10

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Solution

The fourth proportional to 202,231.10, 303,322.35 and 83,890.10 is: 125,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,231.10 : 303,322.35 = 83,890.10 : x
  2. Step 2: Convert to fraction form
    202,231.10/303,322.35 = 83,890.10/x
  3. Step 3: Cross multiply
    202,231.10x = 303,322.35 × 83,890.10
  4. Step 4: Simplify right side
    202,231.10x = 25,445,742,273.74
  5. Step 5: Solve for x
    x = 25,445,742,273.74/202,231.10
  6. Step 6: Final answer
    x = 125,825.07

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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.