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Finding the Fourth Proportional to 176,617.20, 264,925.80 and 167,631.60

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Solution

The fourth proportional to 176,617.20, 264,925.80 and 167,631.60 is: 251,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,617.20 : 264,925.80 = 167,631.60 : x
  2. Step 2: Convert to fraction form
    176,617.20/264,925.80 = 167,631.60/x
  3. Step 3: Cross multiply
    176,617.20x = 264,925.80 × 167,631.60
  4. Step 4: Simplify right side
    176,617.20x = 44,409,935,735.28
  5. Step 5: Solve for x
    x = 44,409,935,735.28/176,617.20
  6. Step 6: Final answer
    x = 251,447.40

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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.