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Finding the Fourth Proportional to 202,653.01, 279,675.62 and 112,007.02

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Solution

The fourth proportional to 202,653.01, 279,675.62 and 112,007.02 is: 154,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,653.01 : 279,675.62 = 112,007.02 : x
  2. Step 2: Convert to fraction form
    202,653.01/279,675.62 = 112,007.02/x
  3. Step 3: Cross multiply
    202,653.01x = 279,675.62 × 112,007.02
  4. Step 4: Simplify right side
    202,653.01x = 31,325,632,762.85
  5. Step 5: Solve for x
    x = 31,325,632,762.85/202,653.01
  6. Step 6: Final answer
    x = 154,577.68

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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.