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Finding the Fourth Proportional to 367,511.04, 551,296.80 and 157,150.80

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Solution

The fourth proportional to 367,511.04, 551,296.80 and 157,150.80 is: 235,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,511.04 : 551,296.80 = 157,150.80 : x
  2. Step 2: Convert to fraction form
    367,511.04/551,296.80 = 157,150.80/x
  3. Step 3: Cross multiply
    367,511.04x = 551,296.80 × 157,150.80
  4. Step 4: Simplify right side
    367,511.04x = 86,636,733,157.44
  5. Step 5: Solve for x
    x = 86,636,733,157.44/367,511.04
  6. Step 6: Final answer
    x = 235,739.13

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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.