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Finding the Fourth Proportional to 201,739.60, 302,148.60 and 118,795.60

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Solution

The fourth proportional to 201,739.60, 302,148.60 and 118,795.60 is: 177,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,739.60 : 302,148.60 = 118,795.60 : x
  2. Step 2: Convert to fraction form
    201,739.60/302,148.60 = 118,795.60/x
  3. Step 3: Cross multiply
    201,739.60x = 302,148.60 × 118,795.60
  4. Step 4: Simplify right side
    201,739.60x = 35,893,924,226.16
  5. Step 5: Solve for x
    x = 35,893,924,226.16/201,739.60
  6. Step 6: Final answer
    x = 177,922.06

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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.