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Finding the Fourth Proportional to 245,858.70, 368,788.05 and 162,752.70

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Solution

The fourth proportional to 245,858.70, 368,788.05 and 162,752.70 is: 244,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,858.70 : 368,788.05 = 162,752.70 : x
  2. Step 2: Convert to fraction form
    245,858.70/368,788.05 = 162,752.70/x
  3. Step 3: Cross multiply
    245,858.70x = 368,788.05 × 162,752.70
  4. Step 4: Simplify right side
    245,858.70x = 60,021,250,865.24
  5. Step 5: Solve for x
    x = 60,021,250,865.24/245,858.70
  6. Step 6: Final answer
    x = 244,129.05

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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.