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Finding the Fourth Proportional to 245,369.92, 368,054.97 and 76,903.32

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Solution

The fourth proportional to 245,369.92, 368,054.97 and 76,903.32 is: 115,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,369.92 : 368,054.97 = 76,903.32 : x
  2. Step 2: Convert to fraction form
    245,369.92/368,054.97 = 76,903.32/x
  3. Step 3: Cross multiply
    245,369.92x = 368,054.97 × 76,903.32
  4. Step 4: Simplify right side
    245,369.92x = 28,304,649,135.50
  5. Step 5: Solve for x
    x = 28,304,649,135.50/245,369.92
  6. Step 6: Final answer
    x = 115,355.01

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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.