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Finding the Fourth Proportional to 223,709.04, 335,464.74 and 118,503

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Solution

The fourth proportional to 223,709.04, 335,464.74 and 118,503 is: 177,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,709.04 : 335,464.74 = 118,503 : x
  2. Step 2: Convert to fraction form
    223,709.04/335,464.74 = 118,503/x
  3. Step 3: Cross multiply
    223,709.04x = 335,464.74 × 118,503
  4. Step 4: Simplify right side
    223,709.04x = 39,753,578,084.22
  5. Step 5: Solve for x
    x = 39,753,578,084.22/223,709.04
  6. Step 6: Final answer
    x = 177,702.15

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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.