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Finding the Fourth Proportional to 164,955.80, 231,560.20 and 164,955.80

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Solution

The fourth proportional to 164,955.80, 231,560.20 and 164,955.80 is: 231,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,955.80 : 231,560.20 = 164,955.80 : x
  2. Step 2: Convert to fraction form
    164,955.80/231,560.20 = 164,955.80/x
  3. Step 3: Cross multiply
    164,955.80x = 231,560.20 × 164,955.80
  4. Step 4: Simplify right side
    164,955.80x = 38,197,198,039.16
  5. Step 5: Solve for x
    x = 38,197,198,039.16/164,955.80
  6. Step 6: Final answer
    x = 231,560.20

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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.