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Finding the Fourth Proportional to 202,219.94, 279,065.01 and 111,579.27

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Solution

The fourth proportional to 202,219.94, 279,065.01 and 111,579.27 is: 153,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,219.94 : 279,065.01 = 111,579.27 : x
  2. Step 2: Convert to fraction form
    202,219.94/279,065.01 = 111,579.27/x
  3. Step 3: Cross multiply
    202,219.94x = 279,065.01 × 111,579.27
  4. Step 4: Simplify right side
    202,219.94x = 31,137,870,098.34
  5. Step 5: Solve for x
    x = 31,137,870,098.34/202,219.94
  6. Step 6: Final answer
    x = 153,980.22

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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.