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Finding the Fourth Proportional to 179,407.40, 269,147.55 and 61,090.70

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Solution

The fourth proportional to 179,407.40, 269,147.55 and 61,090.70 is: 91,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,407.40 : 269,147.55 = 61,090.70 : x
  2. Step 2: Convert to fraction form
    179,407.40/269,147.55 = 61,090.70/x
  3. Step 3: Cross multiply
    179,407.40x = 269,147.55 × 61,090.70
  4. Step 4: Simplify right side
    179,407.40x = 16,442,412,232.79
  5. Step 5: Solve for x
    x = 16,442,412,232.79/179,407.40
  6. Step 6: Final answer
    x = 91,648.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.