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Finding the Fourth Proportional to 188,364.55, 282,765.53 and 108,466.15

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Solution

The fourth proportional to 188,364.55, 282,765.53 and 108,466.15 is: 162,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,364.55 : 282,765.53 = 108,466.15 : x
  2. Step 2: Convert to fraction form
    188,364.55/282,765.53 = 108,466.15/x
  3. Step 3: Cross multiply
    188,364.55x = 282,765.53 × 108,466.15
  4. Step 4: Simplify right side
    188,364.55x = 30,670,487,849.48
  5. Step 5: Solve for x
    x = 30,670,487,849.48/188,364.55
  6. Step 6: Final answer
    x = 162,825.16

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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.