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Finding the Fourth Proportional to 153,245.80, 229,350.30 and 134,583.40

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Solution

The fourth proportional to 153,245.80, 229,350.30 and 134,583.40 is: 201,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,245.80 : 229,350.30 = 134,583.40 : x
  2. Step 2: Convert to fraction form
    153,245.80/229,350.30 = 134,583.40/x
  3. Step 3: Cross multiply
    153,245.80x = 229,350.30 × 134,583.40
  4. Step 4: Simplify right side
    153,245.80x = 30,866,743,165.02
  5. Step 5: Solve for x
    x = 30,866,743,165.02/153,245.80
  6. Step 6: Final answer
    x = 201,419.83

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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.