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Finding the Fourth Proportional to 367,532.30, 551,298.45 and 118,214.30

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Solution

The fourth proportional to 367,532.30, 551,298.45 and 118,214.30 is: 177,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,532.30 : 551,298.45 = 118,214.30 : x
  2. Step 2: Convert to fraction form
    367,532.30/551,298.45 = 118,214.30/x
  3. Step 3: Cross multiply
    367,532.30x = 551,298.45 × 118,214.30
  4. Step 4: Simplify right side
    367,532.30x = 65,171,360,357.84
  5. Step 5: Solve for x
    x = 65,171,360,357.84/367,532.30
  6. Step 6: Final answer
    x = 177,321.45

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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.