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Finding the Fourth Proportional to 154,100.80, 231,369.90 and 95,051.80

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Solution

The fourth proportional to 154,100.80, 231,369.90 and 95,051.80 is: 142,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,100.80 : 231,369.90 = 95,051.80 : x
  2. Step 2: Convert to fraction form
    154,100.80/231,369.90 = 95,051.80/x
  3. Step 3: Cross multiply
    154,100.80x = 231,369.90 × 95,051.80
  4. Step 4: Simplify right side
    154,100.80x = 21,992,125,460.82
  5. Step 5: Solve for x
    x = 21,992,125,460.82/154,100.80
  6. Step 6: Final answer
    x = 142,712.60

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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.