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Finding the Fourth Proportional to 370,889.10, 556,087.86 and 134,200.98

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Solution

The fourth proportional to 370,889.10, 556,087.86 and 134,200.98 is: 201,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,889.10 : 556,087.86 = 134,200.98 : x
  2. Step 2: Convert to fraction form
    370,889.10/556,087.86 = 134,200.98/x
  3. Step 3: Cross multiply
    370,889.10x = 556,087.86 × 134,200.98
  4. Step 4: Simplify right side
    370,889.10x = 74,627,535,778.10
  5. Step 5: Solve for x
    x = 74,627,535,778.10/370,889.10
  6. Step 6: Final answer
    x = 201,212.53

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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.