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Finding the Fourth Proportional to 153,846.80, 230,899.80 and 60,419.60

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Solution

The fourth proportional to 153,846.80, 230,899.80 and 60,419.60 is: 90,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,846.80 : 230,899.80 = 60,419.60 : x
  2. Step 2: Convert to fraction form
    153,846.80/230,899.80 = 60,419.60/x
  3. Step 3: Cross multiply
    153,846.80x = 230,899.80 × 60,419.60
  4. Step 4: Simplify right side
    153,846.80x = 13,950,873,556.08
  5. Step 5: Solve for x
    x = 13,950,873,556.08/153,846.80
  6. Step 6: Final answer
    x = 90,680.30

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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.