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Finding the Fourth Proportional to 176,530.80, 264,796.20 and 162,015.60

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Solution

The fourth proportional to 176,530.80, 264,796.20 and 162,015.60 is: 243,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,530.80 : 264,796.20 = 162,015.60 : x
  2. Step 2: Convert to fraction form
    176,530.80/264,796.20 = 162,015.60/x
  3. Step 3: Cross multiply
    176,530.80x = 264,796.20 × 162,015.60
  4. Step 4: Simplify right side
    176,530.80x = 42,901,115,220.72
  5. Step 5: Solve for x
    x = 42,901,115,220.72/176,530.80
  6. Step 6: Final answer
    x = 243,023.40

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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.