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Finding the Fourth Proportional to 370,942.34, 556,454.40 and 118,164.02

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Solution

The fourth proportional to 370,942.34, 556,454.40 and 118,164.02 is: 177,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,942.34 : 556,454.40 = 118,164.02 : x
  2. Step 2: Convert to fraction form
    370,942.34/556,454.40 = 118,164.02/x
  3. Step 3: Cross multiply
    370,942.34x = 556,454.40 × 118,164.02
  4. Step 4: Simplify right side
    370,942.34x = 65,752,888,850.69
  5. Step 5: Solve for x
    x = 65,752,888,850.69/370,942.34
  6. Step 6: Final answer
    x = 177,259.06

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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.