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Finding the Fourth Proportional to 202,262.16, 279,116.67 and 111,616.92

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Solution

The fourth proportional to 202,262.16, 279,116.67 and 111,616.92 is: 154,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,262.16 : 279,116.67 = 111,616.92 : x
  2. Step 2: Convert to fraction form
    202,262.16/279,116.67 = 111,616.92/x
  3. Step 3: Cross multiply
    202,262.16x = 279,116.67 × 111,616.92
  4. Step 4: Simplify right side
    202,262.16x = 31,154,143,026.06
  5. Step 5: Solve for x
    x = 31,154,143,026.06/202,262.16
  6. Step 6: Final answer
    x = 154,028.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.