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Finding the Fourth Proportional to 178,425.50, 246,227.20 and 98,937.50

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Solution

The fourth proportional to 178,425.50, 246,227.20 and 98,937.50 is: 136,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,425.50 : 246,227.20 = 98,937.50 : x
  2. Step 2: Convert to fraction form
    178,425.50/246,227.20 = 98,937.50/x
  3. Step 3: Cross multiply
    178,425.50x = 246,227.20 × 98,937.50
  4. Step 4: Simplify right side
    178,425.50x = 24,361,103,600
  5. Step 5: Solve for x
    x = 24,361,103,600/178,425.50
  6. Step 6: Final answer
    x = 136,533.76

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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.