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Finding the Fourth Proportional to 370,819.88, 556,201.86 and 118,090.16

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Solution

The fourth proportional to 370,819.88, 556,201.86 and 118,090.16 is: 177,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,819.88 : 556,201.86 = 118,090.16 : x
  2. Step 2: Convert to fraction form
    370,819.88/556,201.86 = 118,090.16/x
  3. Step 3: Cross multiply
    370,819.88x = 556,201.86 × 118,090.16
  4. Step 4: Simplify right side
    370,819.88x = 65,681,963,858.69
  5. Step 5: Solve for x
    x = 65,681,963,858.69/370,819.88
  6. Step 6: Final answer
    x = 177,126.33

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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.