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Finding the Fourth Proportional to 202,554.80, 279,524.04 and 111,916.88

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Solution

The fourth proportional to 202,554.80, 279,524.04 and 111,916.88 is: 154,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,554.80 : 279,524.04 = 111,916.88 : x
  2. Step 2: Convert to fraction form
    202,554.80/279,524.04 = 111,916.88/x
  3. Step 3: Cross multiply
    202,554.80x = 279,524.04 × 111,916.88
  4. Step 4: Simplify right side
    202,554.80x = 31,283,458,441.80
  5. Step 5: Solve for x
    x = 31,283,458,441.80/202,554.80
  6. Step 6: Final answer
    x = 154,444.42

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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.