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Finding the Fourth Proportional to 295,518.40, 443,277.60 and 118,052.80

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Solution

The fourth proportional to 295,518.40, 443,277.60 and 118,052.80 is: 177,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,518.40 : 443,277.60 = 118,052.80 : x
  2. Step 2: Convert to fraction form
    295,518.40/443,277.60 = 118,052.80/x
  3. Step 3: Cross multiply
    295,518.40x = 443,277.60 × 118,052.80
  4. Step 4: Simplify right side
    295,518.40x = 52,330,161,857.28
  5. Step 5: Solve for x
    x = 52,330,161,857.28/295,518.40
  6. Step 6: Final answer
    x = 177,079.20

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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.