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Finding the Fourth Proportional to 367,438.10, 551,157.15 and 157,097.30

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Solution

The fourth proportional to 367,438.10, 551,157.15 and 157,097.30 is: 235,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,438.10 : 551,157.15 = 157,097.30 : x
  2. Step 2: Convert to fraction form
    367,438.10/551,157.15 = 157,097.30/x
  3. Step 3: Cross multiply
    367,438.10x = 551,157.15 × 157,097.30
  4. Step 4: Simplify right side
    367,438.10x = 86,585,300,140.70
  5. Step 5: Solve for x
    x = 86,585,300,140.70/367,438.10
  6. Step 6: Final answer
    x = 235,645.95

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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.