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Finding the Fourth Proportional to 192,051.60, 288,077.40 and 178,054.80

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Solution

The fourth proportional to 192,051.60, 288,077.40 and 178,054.80 is: 267,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,051.60 : 288,077.40 = 178,054.80 : x
  2. Step 2: Convert to fraction form
    192,051.60/288,077.40 = 178,054.80/x
  3. Step 3: Cross multiply
    192,051.60x = 288,077.40 × 178,054.80
  4. Step 4: Simplify right side
    192,051.60x = 51,293,563,841.52
  5. Step 5: Solve for x
    x = 51,293,563,841.52/192,051.60
  6. Step 6: Final answer
    x = 267,082.20

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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.