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Finding the Fourth Proportional to 245,675.68, 368,388.12 and 112,441.69

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Solution

The fourth proportional to 245,675.68, 368,388.12 and 112,441.69 is: 168,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,675.68 : 368,388.12 = 112,441.69 : x
  2. Step 2: Convert to fraction form
    245,675.68/368,388.12 = 112,441.69/x
  3. Step 3: Cross multiply
    245,675.68x = 368,388.12 × 112,441.69
  4. Step 4: Simplify right side
    245,675.68x = 41,422,182,788.72
  5. Step 5: Solve for x
    x = 41,422,182,788.72/245,675.68
  6. Step 6: Final answer
    x = 168,605.14

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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.