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Finding the Fourth Proportional to 202,295.20, 303,313.20 and 84,013.60

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Solution

The fourth proportional to 202,295.20, 303,313.20 and 84,013.60 is: 125,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.20 : 303,313.20 = 84,013.60 : x
  2. Step 2: Convert to fraction form
    202,295.20/303,313.20 = 84,013.60/x
  3. Step 3: Cross multiply
    202,295.20x = 303,313.20 × 84,013.60
  4. Step 4: Simplify right side
    202,295.20x = 25,482,433,859.52
  5. Step 5: Solve for x
    x = 25,482,433,859.52/202,295.20
  6. Step 6: Final answer
    x = 125,966.58

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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.