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Finding the Fourth Proportional to 125,539.98, 188,321.03 and 35,583.90

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Solution

The fourth proportional to 125,539.98, 188,321.03 and 35,583.90 is: 53,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,539.98 : 188,321.03 = 35,583.90 : x
  2. Step 2: Convert to fraction form
    125,539.98/188,321.03 = 35,583.90/x
  3. Step 3: Cross multiply
    125,539.98x = 188,321.03 × 35,583.90
  4. Step 4: Simplify right side
    125,539.98x = 6,701,196,699.42
  5. Step 5: Solve for x
    x = 6,701,196,699.42/125,539.98
  6. Step 6: Final answer
    x = 53,378.98

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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.