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Finding the Fourth Proportional to 240,305.82, 360,483.39 and 90,672.03

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Solution

The fourth proportional to 240,305.82, 360,483.39 and 90,672.03 is: 136,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,305.82 : 360,483.39 = 90,672.03 : x
  2. Step 2: Convert to fraction form
    240,305.82/360,483.39 = 90,672.03/x
  3. Step 3: Cross multiply
    240,305.82x = 360,483.39 × 90,672.03
  4. Step 4: Simplify right side
    240,305.82x = 32,685,759,400.77
  5. Step 5: Solve for x
    x = 32,685,759,400.77/240,305.82
  6. Step 6: Final answer
    x = 136,017.34

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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.