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Finding the Fourth Proportional to 224,495.80, 309,807.08 and 132,618.11

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Solution

The fourth proportional to 224,495.80, 309,807.08 and 132,618.11 is: 183,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,495.80 : 309,807.08 = 132,618.11 : x
  2. Step 2: Convert to fraction form
    224,495.80/309,807.08 = 132,618.11/x
  3. Step 3: Cross multiply
    224,495.80x = 309,807.08 × 132,618.11
  4. Step 4: Simplify right side
    224,495.80x = 41,086,029,442.08
  5. Step 5: Solve for x
    x = 41,086,029,442.08/224,495.80
  6. Step 6: Final answer
    x = 183,014.69

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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.