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Finding the Fourth Proportional to 98,298.30, 147,556.80 and 60,900.60

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Solution

The fourth proportional to 98,298.30, 147,556.80 and 60,900.60 is: 91,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,298.30 : 147,556.80 = 60,900.60 : x
  2. Step 2: Convert to fraction form
    98,298.30/147,556.80 = 60,900.60/x
  3. Step 3: Cross multiply
    98,298.30x = 147,556.80 × 60,900.60
  4. Step 4: Simplify right side
    98,298.30x = 8,986,297,654.08
  5. Step 5: Solve for x
    x = 8,986,297,654.08/98,298.30
  6. Step 6: Final answer
    x = 91,418.65

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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.