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Finding the Fourth Proportional to 202,235.65, 303,353.48 and 127,112.20

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Solution

The fourth proportional to 202,235.65, 303,353.48 and 127,112.20 is: 190,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,235.65 : 303,353.48 = 127,112.20 : x
  2. Step 2: Convert to fraction form
    202,235.65/303,353.48 = 127,112.20/x
  3. Step 3: Cross multiply
    202,235.65x = 303,353.48 × 127,112.20
  4. Step 4: Simplify right side
    202,235.65x = 38,559,928,220.46
  5. Step 5: Solve for x
    x = 38,559,928,220.46/202,235.65
  6. Step 6: Final answer
    x = 190,668.30

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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.