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Finding the Fourth Proportional to 178,668.86, 246,563.51 and 98,101.59

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Solution

The fourth proportional to 178,668.86, 246,563.51 and 98,101.59 is: 135,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,668.86 : 246,563.51 = 98,101.59 : x
  2. Step 2: Convert to fraction form
    178,668.86/246,563.51 = 98,101.59/x
  3. Step 3: Cross multiply
    178,668.86x = 246,563.51 × 98,101.59
  4. Step 4: Simplify right side
    178,668.86x = 24,188,271,876.47
  5. Step 5: Solve for x
    x = 24,188,271,876.47/178,668.86
  6. Step 6: Final answer
    x = 135,380.46

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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.