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Finding the Fourth Proportional to 202,126.16, 303,127.56 and 83,769.66

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Solution

The fourth proportional to 202,126.16, 303,127.56 and 83,769.66 is: 125,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,126.16 : 303,127.56 = 83,769.66 : x
  2. Step 2: Convert to fraction form
    202,126.16/303,127.56 = 83,769.66/x
  3. Step 3: Cross multiply
    202,126.16x = 303,127.56 × 83,769.66
  4. Step 4: Simplify right side
    202,126.16x = 25,392,892,637.83
  5. Step 5: Solve for x
    x = 25,392,892,637.83/202,126.16
  6. Step 6: Final answer
    x = 125,628.93

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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.