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Finding the Fourth Proportional to 188,947.20, 264,876 and 188,947.20

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Solution

The fourth proportional to 188,947.20, 264,876 and 188,947.20 is: 264,876

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,947.20 : 264,876 = 188,947.20 : x
  2. Step 2: Convert to fraction form
    188,947.20/264,876 = 188,947.20/x
  3. Step 3: Cross multiply
    188,947.20x = 264,876 × 188,947.20
  4. Step 4: Simplify right side
    188,947.20x = 50,047,578,547.20
  5. Step 5: Solve for x
    x = 50,047,578,547.20/188,947.20
  6. Step 6: Final answer
    x = 264,876

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.