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Finding the Fourth Proportional to 192,175.60, 288,954.60 and 161,762.80

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Solution

The fourth proportional to 192,175.60, 288,954.60 and 161,762.80 is: 243,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,175.60 : 288,954.60 = 161,762.80 : x
  2. Step 2: Convert to fraction form
    192,175.60/288,954.60 = 161,762.80/x
  3. Step 3: Cross multiply
    192,175.60x = 288,954.60 × 161,762.80
  4. Step 4: Simplify right side
    192,175.60x = 46,742,105,168.88
  5. Step 5: Solve for x
    x = 46,742,105,168.88/192,175.60
  6. Step 6: Final answer
    x = 243,226.01

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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.