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Finding the Fourth Proportional to 202,491.56, 279,441.32 and 117,608.64

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Solution

The fourth proportional to 202,491.56, 279,441.32 and 117,608.64 is: 162,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,491.56 : 279,441.32 = 117,608.64 : x
  2. Step 2: Convert to fraction form
    202,491.56/279,441.32 = 117,608.64/x
  3. Step 3: Cross multiply
    202,491.56x = 279,441.32 × 117,608.64
  4. Step 4: Simplify right side
    202,491.56x = 32,864,713,605.00
  5. Step 5: Solve for x
    x = 32,864,713,605.00/202,491.56
  6. Step 6: Final answer
    x = 162,301.65

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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.