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Finding the Fourth Proportional to 176,983.80, 248,399.40 and 176,983.80

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Solution

The fourth proportional to 176,983.80, 248,399.40 and 176,983.80 is: 248,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,983.80 : 248,399.40 = 176,983.80 : x
  2. Step 2: Convert to fraction form
    176,983.80/248,399.40 = 176,983.80/x
  3. Step 3: Cross multiply
    176,983.80x = 248,399.40 × 176,983.80
  4. Step 4: Simplify right side
    176,983.80x = 43,962,669,729.72
  5. Step 5: Solve for x
    x = 43,962,669,729.72/176,983.80
  6. Step 6: Final answer
    x = 248,399.40

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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.