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Finding the Fourth Proportional to 176,002, 242,783.40 and 104,311.60

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Solution

The fourth proportional to 176,002, 242,783.40 and 104,311.60 is: 143,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,002 : 242,783.40 = 104,311.60 : x
  2. Step 2: Convert to fraction form
    176,002/242,783.40 = 104,311.60/x
  3. Step 3: Cross multiply
    176,002x = 242,783.40 × 104,311.60
  4. Step 4: Simplify right side
    176,002x = 25,325,124,907.44
  5. Step 5: Solve for x
    x = 25,325,124,907.44/176,002
  6. Step 6: Final answer
    x = 143,891.12

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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.