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Finding the Fourth Proportional to 202,877.06, 279,991.36 and 116,839.11

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Solution

The fourth proportional to 202,877.06, 279,991.36 and 116,839.11 is: 161,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,877.06 : 279,991.36 = 116,839.11 : x
  2. Step 2: Convert to fraction form
    202,877.06/279,991.36 = 116,839.11/x
  3. Step 3: Cross multiply
    202,877.06x = 279,991.36 × 116,839.11
  4. Step 4: Simplify right side
    202,877.06x = 32,713,940,602.54
  5. Step 5: Solve for x
    x = 32,713,940,602.54/202,877.06
  6. Step 6: Final answer
    x = 161,250.08

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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.