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Finding the Fourth Proportional to 245,043.96, 367,616.94 and 76,557.48

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Solution

The fourth proportional to 245,043.96, 367,616.94 and 76,557.48 is: 114,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,043.96 : 367,616.94 = 76,557.48 : x
  2. Step 2: Convert to fraction form
    245,043.96/367,616.94 = 76,557.48/x
  3. Step 3: Cross multiply
    245,043.96x = 367,616.94 × 76,557.48
  4. Step 4: Simplify right side
    245,043.96x = 28,143,826,531.71
  5. Step 5: Solve for x
    x = 28,143,826,531.71/245,043.96
  6. Step 6: Final answer
    x = 114,852.15

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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.