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Finding the Fourth Proportional to 295,888.95, 443,669.40 and 118,195.20

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Solution

The fourth proportional to 295,888.95, 443,669.40 and 118,195.20 is: 177,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,888.95 : 443,669.40 = 118,195.20 : x
  2. Step 2: Convert to fraction form
    295,888.95/443,669.40 = 118,195.20/x
  3. Step 3: Cross multiply
    295,888.95x = 443,669.40 × 118,195.20
  4. Step 4: Simplify right side
    295,888.95x = 52,439,593,466.88
  5. Step 5: Solve for x
    x = 52,439,593,466.88/295,888.95
  6. Step 6: Final answer
    x = 177,227.28

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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.