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Finding the Fourth Proportional to 175,365.12, 263,047.68 and 162,768

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Solution

The fourth proportional to 175,365.12, 263,047.68 and 162,768 is: 244,152

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,365.12 : 263,047.68 = 162,768 : x
  2. Step 2: Convert to fraction form
    175,365.12/263,047.68 = 162,768/x
  3. Step 3: Cross multiply
    175,365.12x = 263,047.68 × 162,768
  4. Step 4: Simplify right side
    175,365.12x = 42,815,744,778.24
  5. Step 5: Solve for x
    x = 42,815,744,778.24/175,365.12
  6. Step 6: Final answer
    x = 244,152

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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.