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Finding the Fourth Proportional to 183,770.10, 275,655.15 and 90,458.10

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Solution

The fourth proportional to 183,770.10, 275,655.15 and 90,458.10 is: 135,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,770.10 : 275,655.15 = 90,458.10 : x
  2. Step 2: Convert to fraction form
    183,770.10/275,655.15 = 90,458.10/x
  3. Step 3: Cross multiply
    183,770.10x = 275,655.15 × 90,458.10
  4. Step 4: Simplify right side
    183,770.10x = 24,935,241,124.22
  5. Step 5: Solve for x
    x = 24,935,241,124.22/183,770.10
  6. Step 6: Final answer
    x = 135,687.15

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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.