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Finding the Fourth Proportional to 176,731.20, 265,096.80 and 113,745.60

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Solution

The fourth proportional to 176,731.20, 265,096.80 and 113,745.60 is: 170,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,731.20 : 265,096.80 = 113,745.60 : x
  2. Step 2: Convert to fraction form
    176,731.20/265,096.80 = 113,745.60/x
  3. Step 3: Cross multiply
    176,731.20x = 265,096.80 × 113,745.60
  4. Step 4: Simplify right side
    176,731.20x = 30,153,594,574.08
  5. Step 5: Solve for x
    x = 30,153,594,574.08/176,731.20
  6. Step 6: Final answer
    x = 170,618.40

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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.