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Finding the Fourth Proportional to 208,548.01, 287,796.27 and 113,054.41

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Solution

The fourth proportional to 208,548.01, 287,796.27 and 113,054.41 is: 156,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,548.01 : 287,796.27 = 113,054.41 : x
  2. Step 2: Convert to fraction form
    208,548.01/287,796.27 = 113,054.41/x
  3. Step 3: Cross multiply
    208,548.01x = 287,796.27 × 113,054.41
  4. Step 4: Simplify right side
    208,548.01x = 32,536,637,505.05
  5. Step 5: Solve for x
    x = 32,536,637,505.05/208,548.01
  6. Step 6: Final answer
    x = 156,015.09

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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.