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Finding the Fourth Proportional to 202,507.07, 303,803.55 and 69,351.57

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Solution

The fourth proportional to 202,507.07, 303,803.55 and 69,351.57 is: 104,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,507.07 : 303,803.55 = 69,351.57 : x
  2. Step 2: Convert to fraction form
    202,507.07/303,803.55 = 69,351.57/x
  3. Step 3: Cross multiply
    202,507.07x = 303,803.55 × 69,351.57
  4. Step 4: Simplify right side
    202,507.07x = 21,069,253,164.07
  5. Step 5: Solve for x
    x = 21,069,253,164.07/202,507.07
  6. Step 6: Final answer
    x = 104,042.06

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1.5x scale

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.