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Finding the Fourth Proportional to 95,145.50, 131,300.79 and 52,706.78

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Solution

The fourth proportional to 95,145.50, 131,300.79 and 52,706.78 is: 72,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.50 : 131,300.79 = 52,706.78 : x
  2. Step 2: Convert to fraction form
    95,145.50/131,300.79 = 52,706.78/x
  3. Step 3: Cross multiply
    95,145.50x = 131,300.79 × 52,706.78
  4. Step 4: Simplify right side
    95,145.50x = 6,920,441,852.36
  5. Step 5: Solve for x
    x = 6,920,441,852.36/95,145.50
  6. Step 6: Final answer
    x = 72,735.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.