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Finding the Fourth Proportional to 295,639.10, 443,329.05 and 118,087.10

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Solution

The fourth proportional to 295,639.10, 443,329.05 and 118,087.10 is: 177,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,639.10 : 443,329.05 = 118,087.10 : x
  2. Step 2: Convert to fraction form
    295,639.10/443,329.05 = 118,087.10/x
  3. Step 3: Cross multiply
    295,639.10x = 443,329.05 × 118,087.10
  4. Step 4: Simplify right side
    295,639.10x = 52,351,441,860.26
  5. Step 5: Solve for x
    x = 52,351,441,860.26/295,639.10
  6. Step 6: Final answer
    x = 177,078.88

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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.