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Finding the Fourth Proportional to 245,374.88, 368,062.43 and 76,908.33

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Solution

The fourth proportional to 245,374.88, 368,062.43 and 76,908.33 is: 115,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,374.88 : 368,062.43 = 76,908.33 : x
  2. Step 2: Convert to fraction form
    245,374.88/368,062.43 = 76,908.33/x
  3. Step 3: Cross multiply
    245,374.88x = 368,062.43 × 76,908.33
  4. Step 4: Simplify right side
    245,374.88x = 28,307,066,442.50
  5. Step 5: Solve for x
    x = 28,307,066,442.50/245,374.88
  6. Step 6: Final answer
    x = 115,362.53

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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.