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Finding the Fourth Proportional to 223,780.40, 335,675.08 and 83,511.04

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Solution

The fourth proportional to 223,780.40, 335,675.08 and 83,511.04 is: 125,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,780.40 : 335,675.08 = 83,511.04 : x
  2. Step 2: Convert to fraction form
    223,780.40/335,675.08 = 83,511.04/x
  3. Step 3: Cross multiply
    223,780.40x = 335,675.08 × 83,511.04
  4. Step 4: Simplify right side
    223,780.40x = 28,032,575,032.88
  5. Step 5: Solve for x
    x = 28,032,575,032.88/223,780.40
  6. Step 6: Final answer
    x = 125,268.23

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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.