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Finding the Fourth Proportional to 178,048.86, 245,707.50 and 97,481.60

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Solution

The fourth proportional to 178,048.86, 245,707.50 and 97,481.60 is: 134,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,048.86 : 245,707.50 = 97,481.60 : x
  2. Step 2: Convert to fraction form
    178,048.86/245,707.50 = 97,481.60/x
  3. Step 3: Cross multiply
    178,048.86x = 245,707.50 × 97,481.60
  4. Step 4: Simplify right side
    178,048.86x = 23,951,960,232
  5. Step 5: Solve for x
    x = 23,951,960,232/178,048.86
  6. Step 6: Final answer
    x = 134,524.65

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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.