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Finding the Fourth Proportional to 295,704.90, 443,666.70 and 118,339.20

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Solution

The fourth proportional to 295,704.90, 443,666.70 and 118,339.20 is: 177,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,704.90 : 443,666.70 = 118,339.20 : x
  2. Step 2: Convert to fraction form
    295,704.90/443,666.70 = 118,339.20/x
  3. Step 3: Cross multiply
    295,704.90x = 443,666.70 × 118,339.20
  4. Step 4: Simplify right side
    295,704.90x = 52,503,162,344.64
  5. Step 5: Solve for x
    x = 52,503,162,344.64/295,704.90
  6. Step 6: Final answer
    x = 177,552.56

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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.