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Finding the Fourth Proportional to 202,013.70, 303,020.55 and 170,909.70

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Solution

The fourth proportional to 202,013.70, 303,020.55 and 170,909.70 is: 256,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,013.70 : 303,020.55 = 170,909.70 : x
  2. Step 2: Convert to fraction form
    202,013.70/303,020.55 = 170,909.70/x
  3. Step 3: Cross multiply
    202,013.70x = 303,020.55 × 170,909.70
  4. Step 4: Simplify right side
    202,013.70x = 51,789,151,294.34
  5. Step 5: Solve for x
    x = 51,789,151,294.34/202,013.70
  6. Step 6: Final answer
    x = 256,364.55

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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.