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Finding the Fourth Proportional to 245,942.30, 368,935 and 75,202.54

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Solution

The fourth proportional to 245,942.30, 368,935 and 75,202.54 is: 112,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,942.30 : 368,935 = 75,202.54 : x
  2. Step 2: Convert to fraction form
    245,942.30/368,935 = 75,202.54/x
  3. Step 3: Cross multiply
    245,942.30x = 368,935 × 75,202.54
  4. Step 4: Simplify right side
    245,942.30x = 27,744,849,094.90
  5. Step 5: Solve for x
    x = 27,744,849,094.90/245,942.30
  6. Step 6: Final answer
    x = 112,810.40

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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.