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Finding the Fourth Proportional to 176,560.40, 264,840.60 and 106,403.60

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Solution

The fourth proportional to 176,560.40, 264,840.60 and 106,403.60 is: 159,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,560.40 : 264,840.60 = 106,403.60 : x
  2. Step 2: Convert to fraction form
    176,560.40/264,840.60 = 106,403.60/x
  3. Step 3: Cross multiply
    176,560.40x = 264,840.60 × 106,403.60
  4. Step 4: Simplify right side
    176,560.40x = 28,179,993,266.16
  5. Step 5: Solve for x
    x = 28,179,993,266.16/176,560.40
  6. Step 6: Final answer
    x = 159,605.40

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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.