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Finding the Fourth Proportional to 370,745.25, 556,110.13 and 118,043.17

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Solution

The fourth proportional to 370,745.25, 556,110.13 and 118,043.17 is: 177,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,745.25 : 556,110.13 = 118,043.17 : x
  2. Step 2: Convert to fraction form
    370,745.25/556,110.13 = 118,043.17/x
  3. Step 3: Cross multiply
    370,745.25x = 556,110.13 × 118,043.17
  4. Step 4: Simplify right side
    370,745.25x = 65,645,004,610.38
  5. Step 5: Solve for x
    x = 65,645,004,610.38/370,745.25
  6. Step 6: Final answer
    x = 177,062.29

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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.