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Finding the Fourth Proportional to 192,048.60, 288,072.90 and 178,051.80

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Solution

The fourth proportional to 192,048.60, 288,072.90 and 178,051.80 is: 267,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,048.60 : 288,072.90 = 178,051.80 : x
  2. Step 2: Convert to fraction form
    192,048.60/288,072.90 = 178,051.80/x
  3. Step 3: Cross multiply
    192,048.60x = 288,072.90 × 178,051.80
  4. Step 4: Simplify right side
    192,048.60x = 51,291,898,376.22
  5. Step 5: Solve for x
    x = 51,291,898,376.22/192,048.60
  6. Step 6: Final answer
    x = 267,077.70

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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.