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Finding the Fourth Proportional to 295,706.90, 443,669.70 and 118,341.20

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Solution

The fourth proportional to 295,706.90, 443,669.70 and 118,341.20 is: 177,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,706.90 : 443,669.70 = 118,341.20 : x
  2. Step 2: Convert to fraction form
    295,706.90/443,669.70 = 118,341.20/x
  3. Step 3: Cross multiply
    295,706.90x = 443,669.70 × 118,341.20
  4. Step 4: Simplify right side
    295,706.90x = 52,504,404,701.64
  5. Step 5: Solve for x
    x = 52,504,404,701.64/295,706.90
  6. Step 6: Final answer
    x = 177,555.56

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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.