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Finding the Fourth Proportional to 98,189.78, 147,506.39 and 58,234.97

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Solution

The fourth proportional to 98,189.78, 147,506.39 and 58,234.97 is: 87,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,189.78 : 147,506.39 = 58,234.97 : x
  2. Step 2: Convert to fraction form
    98,189.78/147,506.39 = 58,234.97/x
  3. Step 3: Cross multiply
    98,189.78x = 147,506.39 × 58,234.97
  4. Step 4: Simplify right side
    98,189.78x = 8,590,030,479.56
  5. Step 5: Solve for x
    x = 8,590,030,479.56/98,189.78
  6. Step 6: Final answer
    x = 87,483.96

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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.