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Finding the Fourth Proportional to 245,039.95, 367,610.94 and 76,553.47

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Solution

The fourth proportional to 245,039.95, 367,610.94 and 76,553.47 is: 114,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,039.95 : 367,610.94 = 76,553.47 : x
  2. Step 2: Convert to fraction form
    245,039.95/367,610.94 = 76,553.47/x
  3. Step 3: Cross multiply
    245,039.95x = 367,610.94 × 76,553.47
  4. Step 4: Simplify right side
    245,039.95x = 28,141,893,066.96
  5. Step 5: Solve for x
    x = 28,141,893,066.96/245,039.95
  6. Step 6: Final answer
    x = 114,846.14

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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.