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Finding the Fourth Proportional to 245,964.83, 368,820.56 and 112,730.96

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Solution

The fourth proportional to 245,964.83, 368,820.56 and 112,730.96 is: 169,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,964.83 : 368,820.56 = 112,730.96 : x
  2. Step 2: Convert to fraction form
    245,964.83/368,820.56 = 112,730.96/x
  3. Step 3: Cross multiply
    245,964.83x = 368,820.56 × 112,730.96
  4. Step 4: Simplify right side
    245,964.83x = 41,577,493,388.78
  5. Step 5: Solve for x
    x = 41,577,493,388.78/245,964.83
  6. Step 6: Final answer
    x = 169,038.37

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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.