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Finding the Fourth Proportional to 177,907.88, 245,428.04 and 109,900.38

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Solution

The fourth proportional to 177,907.88, 245,428.04 and 109,900.38 is: 151,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,907.88 : 245,428.04 = 109,900.38 : x
  2. Step 2: Convert to fraction form
    177,907.88/245,428.04 = 109,900.38/x
  3. Step 3: Cross multiply
    177,907.88x = 245,428.04 × 109,900.38
  4. Step 4: Simplify right side
    177,907.88x = 26,972,634,858.66
  5. Step 5: Solve for x
    x = 26,972,634,858.66/177,907.88
  6. Step 6: Final answer
    x = 151,610.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.