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Finding the Fourth Proportional to 178,630.25, 246,459.24 and 115,004.88

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Solution

The fourth proportional to 178,630.25, 246,459.24 and 115,004.88 is: 158,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,630.25 : 246,459.24 = 115,004.88 : x
  2. Step 2: Convert to fraction form
    178,630.25/246,459.24 = 115,004.88/x
  3. Step 3: Cross multiply
    178,630.25x = 246,459.24 × 115,004.88
  4. Step 4: Simplify right side
    178,630.25x = 28,344,015,321.09
  5. Step 5: Solve for x
    x = 28,344,015,321.09/178,630.25
  6. Step 6: Final answer
    x = 158,674.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.