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Finding the Fourth Proportional to 174,187.60, 260,771.10 and 130,010.20

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Solution

The fourth proportional to 174,187.60, 260,771.10 and 130,010.20 is: 194,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,187.60 : 260,771.10 = 130,010.20 : x
  2. Step 2: Convert to fraction form
    174,187.60/260,771.10 = 130,010.20/x
  3. Step 3: Cross multiply
    174,187.60x = 260,771.10 × 130,010.20
  4. Step 4: Simplify right side
    174,187.60x = 33,902,902,865.22
  5. Step 5: Solve for x
    x = 33,902,902,865.22/174,187.60
  6. Step 6: Final answer
    x = 194,634.42

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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.