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Finding the Fourth Proportional to 295,639.60, 443,329.80 and 118,087.60

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Solution

The fourth proportional to 295,639.60, 443,329.80 and 118,087.60 is: 177,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,639.60 : 443,329.80 = 118,087.60 : x
  2. Step 2: Convert to fraction form
    295,639.60/443,329.80 = 118,087.60/x
  3. Step 3: Cross multiply
    295,639.60x = 443,329.80 × 118,087.60
  4. Step 4: Simplify right side
    295,639.60x = 52,351,752,090.48
  5. Step 5: Solve for x
    x = 52,351,752,090.48/295,639.60
  6. Step 6: Final answer
    x = 177,079.63

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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.