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Finding the Fourth Proportional to 202,533.70, 303,764.10 and 127,519.60

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Solution

The fourth proportional to 202,533.70, 303,764.10 and 127,519.60 is: 191,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,533.70 : 303,764.10 = 127,519.60 : x
  2. Step 2: Convert to fraction form
    202,533.70/303,764.10 = 127,519.60/x
  3. Step 3: Cross multiply
    202,533.70x = 303,764.10 × 127,519.60
  4. Step 4: Simplify right side
    202,533.70x = 38,735,876,526.36
  5. Step 5: Solve for x
    x = 38,735,876,526.36/202,533.70
  6. Step 6: Final answer
    x = 191,256.45

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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.