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Finding the Fourth Proportional to 295,630.10, 443,315.55 and 118,078.10

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Solution

The fourth proportional to 295,630.10, 443,315.55 and 118,078.10 is: 177,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,630.10 : 443,315.55 = 118,078.10 : x
  2. Step 2: Convert to fraction form
    295,630.10/443,315.55 = 118,078.10/x
  3. Step 3: Cross multiply
    295,630.10x = 443,315.55 × 118,078.10
  4. Step 4: Simplify right side
    295,630.10x = 52,345,857,844.46
  5. Step 5: Solve for x
    x = 52,345,857,844.46/295,630.10
  6. Step 6: Final answer
    x = 177,065.39

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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.