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Finding the Fourth Proportional to 223,455.80, 308,468.40 and 132,841.10

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Solution

The fourth proportional to 223,455.80, 308,468.40 and 132,841.10 is: 183,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,455.80 : 308,468.40 = 132,841.10 : x
  2. Step 2: Convert to fraction form
    223,455.80/308,468.40 = 132,841.10/x
  3. Step 3: Cross multiply
    223,455.80x = 308,468.40 × 132,841.10
  4. Step 4: Simplify right side
    223,455.80x = 40,977,280,028.90
  5. Step 5: Solve for x
    x = 40,977,280,028.90/223,455.80
  6. Step 6: Final answer
    x = 183,379.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.