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Finding the Fourth Proportional to 168,495.60, 252,743.40 and 155,665.20

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Solution

The fourth proportional to 168,495.60, 252,743.40 and 155,665.20 is: 233,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,495.60 : 252,743.40 = 155,665.20 : x
  2. Step 2: Convert to fraction form
    168,495.60/252,743.40 = 155,665.20/x
  3. Step 3: Cross multiply
    168,495.60x = 252,743.40 × 155,665.20
  4. Step 4: Simplify right side
    168,495.60x = 39,343,351,909.68
  5. Step 5: Solve for x
    x = 39,343,351,909.68/168,495.60
  6. Step 6: Final answer
    x = 233,497.80

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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.