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Finding the Fourth Proportional to 202,315.58, 279,153.82 and 116,257.94

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Solution

The fourth proportional to 202,315.58, 279,153.82 and 116,257.94 is: 160,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,315.58 : 279,153.82 = 116,257.94 : x
  2. Step 2: Convert to fraction form
    202,315.58/279,153.82 = 116,257.94/x
  3. Step 3: Cross multiply
    202,315.58x = 279,153.82 × 116,257.94
  4. Step 4: Simplify right side
    202,315.58x = 32,453,848,056.33
  5. Step 5: Solve for x
    x = 32,453,848,056.33/202,315.58
  6. Step 6: Final answer
    x = 160,412.01

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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.