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Finding the Fourth Proportional to 95,137.50, 131,289.76 and 52,698.76

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Solution

The fourth proportional to 95,137.50, 131,289.76 and 52,698.76 is: 72,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,137.50 : 131,289.76 = 52,698.76 : x
  2. Step 2: Convert to fraction form
    95,137.50/131,289.76 = 52,698.76/x
  3. Step 3: Cross multiply
    95,137.50x = 131,289.76 × 52,698.76
  4. Step 4: Simplify right side
    95,137.50x = 6,918,807,552.70
  5. Step 5: Solve for x
    x = 6,918,807,552.70/95,137.50
  6. Step 6: Final answer
    x = 72,724.29

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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.