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Finding the Fourth Proportional to 164,887.30, 231,367.10 and 164,887.30

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Solution

The fourth proportional to 164,887.30, 231,367.10 and 164,887.30 is: 231,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,887.30 : 231,367.10 = 164,887.30 : x
  2. Step 2: Convert to fraction form
    164,887.30/231,367.10 = 164,887.30/x
  3. Step 3: Cross multiply
    164,887.30x = 231,367.10 × 164,887.30
  4. Step 4: Simplify right side
    164,887.30x = 38,149,496,427.83
  5. Step 5: Solve for x
    x = 38,149,496,427.83/164,887.30
  6. Step 6: Final answer
    x = 231,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.