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Finding the Fourth Proportional to 202,007.16, 303,015.87 and 83,646.72

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Solution

The fourth proportional to 202,007.16, 303,015.87 and 83,646.72 is: 125,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,007.16 : 303,015.87 = 83,646.72 : x
  2. Step 2: Convert to fraction form
    202,007.16/303,015.87 = 83,646.72/x
  3. Step 3: Cross multiply
    202,007.16x = 303,015.87 × 83,646.72
  4. Step 4: Simplify right side
    202,007.16x = 25,346,283,633.45
  5. Step 5: Solve for x
    x = 25,346,283,633.45/202,007.16
  6. Step 6: Final answer
    x = 125,472.20

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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.