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Finding the Fourth Proportional to 240,241.41, 360,579.48 and 128,016.45

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Solution

The fourth proportional to 240,241.41, 360,579.48 and 128,016.45 is: 192,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,241.41 : 360,579.48 = 128,016.45 : x
  2. Step 2: Convert to fraction form
    240,241.41/360,579.48 = 128,016.45/x
  3. Step 3: Cross multiply
    240,241.41x = 360,579.48 × 128,016.45
  4. Step 4: Simplify right side
    240,241.41x = 46,160,104,972.45
  5. Step 5: Solve for x
    x = 46,160,104,972.45/240,241.41
  6. Step 6: Final answer
    x = 192,140.50

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1.5x scale

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.