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Finding the Fourth Proportional to 167,120.01, 230,655.08 and 99,174.44

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Solution

The fourth proportional to 167,120.01, 230,655.08 and 99,174.44 is: 136,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,120.01 : 230,655.08 = 99,174.44 : x
  2. Step 2: Convert to fraction form
    167,120.01/230,655.08 = 99,174.44/x
  3. Step 3: Cross multiply
    167,120.01x = 230,655.08 × 99,174.44
  4. Step 4: Simplify right side
    167,120.01x = 22,875,089,216.73
  5. Step 5: Solve for x
    x = 22,875,089,216.73/167,120.01
  6. Step 6: Final answer
    x = 136,878.22

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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.