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Finding the Fourth Proportional to 176,603.40, 264,674.70 and 81,822.60

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Solution

The fourth proportional to 176,603.40, 264,674.70 and 81,822.60 is: 122,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,603.40 : 264,674.70 = 81,822.60 : x
  2. Step 2: Convert to fraction form
    176,603.40/264,674.70 = 81,822.60/x
  3. Step 3: Cross multiply
    176,603.40x = 264,674.70 × 81,822.60
  4. Step 4: Simplify right side
    176,603.40x = 21,656,372,108.22
  5. Step 5: Solve for x
    x = 21,656,372,108.22/176,603.40
  6. Step 6: Final answer
    x = 122,627.15

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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.