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Finding the Fourth Proportional to 120,537.84, 180,740.52 and 95,736.72

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Solution

The fourth proportional to 120,537.84, 180,740.52 and 95,736.72 is: 143,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,537.84 : 180,740.52 = 95,736.72 : x
  2. Step 2: Convert to fraction form
    120,537.84/180,740.52 = 95,736.72/x
  3. Step 3: Cross multiply
    120,537.84x = 180,740.52 × 95,736.72
  4. Step 4: Simplify right side
    120,537.84x = 17,303,504,555.89
  5. Step 5: Solve for x
    x = 17,303,504,555.89/120,537.84
  6. Step 6: Final answer
    x = 143,552.47

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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.