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Finding the Fourth Proportional to 176,003.40, 264,005.10 and 87,270.60

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Solution

The fourth proportional to 176,003.40, 264,005.10 and 87,270.60 is: 130,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,003.40 : 264,005.10 = 87,270.60 : x
  2. Step 2: Convert to fraction form
    176,003.40/264,005.10 = 87,270.60/x
  3. Step 3: Cross multiply
    176,003.40x = 264,005.10 × 87,270.60
  4. Step 4: Simplify right side
    176,003.40x = 23,039,883,480.06
  5. Step 5: Solve for x
    x = 23,039,883,480.06/176,003.40
  6. Step 6: Final answer
    x = 130,905.90

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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.