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Finding the Fourth Proportional to 154,051.20, 230,817.60 and 101,433.60

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Solution

The fourth proportional to 154,051.20, 230,817.60 and 101,433.60 is: 151,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,051.20 : 230,817.60 = 101,433.60 : x
  2. Step 2: Convert to fraction form
    154,051.20/230,817.60 = 101,433.60/x
  3. Step 3: Cross multiply
    154,051.20x = 230,817.60 × 101,433.60
  4. Step 4: Simplify right side
    154,051.20x = 23,412,660,111.36
  5. Step 5: Solve for x
    x = 23,412,660,111.36/154,051.20
  6. Step 6: Final answer
    x = 151,979.73

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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.