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Finding the Fourth Proportional to 295,683.60, 443,395.80 and 118,131.60

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Solution

The fourth proportional to 295,683.60, 443,395.80 and 118,131.60 is: 177,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,683.60 : 443,395.80 = 118,131.60 : x
  2. Step 2: Convert to fraction form
    295,683.60/443,395.80 = 118,131.60/x
  3. Step 3: Cross multiply
    295,683.60x = 443,395.80 × 118,131.60
  4. Step 4: Simplify right side
    295,683.60x = 52,379,055,287.28
  5. Step 5: Solve for x
    x = 52,379,055,287.28/295,683.60
  6. Step 6: Final answer
    x = 177,145.62

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1.5x scale

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.