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Finding the Fourth Proportional to 370,891.44, 556,152.84 and 118,139.04

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Solution

The fourth proportional to 370,891.44, 556,152.84 and 118,139.04 is: 177,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,891.44 : 556,152.84 = 118,139.04 : x
  2. Step 2: Convert to fraction form
    370,891.44/556,152.84 = 118,139.04/x
  3. Step 3: Cross multiply
    370,891.44x = 556,152.84 × 118,139.04
  4. Step 4: Simplify right side
    370,891.44x = 65,703,362,610.87
  5. Step 5: Solve for x
    x = 65,703,362,610.87/370,891.44
  6. Step 6: Final answer
    x = 177,149.85

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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.