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Finding the Fourth Proportional to 202,211.58, 279,050.13 and 111,568.35

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Solution

The fourth proportional to 202,211.58, 279,050.13 and 111,568.35 is: 153,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,211.58 : 279,050.13 = 111,568.35 : x
  2. Step 2: Convert to fraction form
    202,211.58/279,050.13 = 111,568.35/x
  3. Step 3: Cross multiply
    202,211.58x = 279,050.13 × 111,568.35
  4. Step 4: Simplify right side
    202,211.58x = 31,133,162,571.39
  5. Step 5: Solve for x
    x = 31,133,162,571.39/202,211.58
  6. Step 6: Final answer
    x = 153,963.30

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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.