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Finding the Fourth Proportional to 95,599.53, 131,921.93 and 53,157.15

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Solution

The fourth proportional to 95,599.53, 131,921.93 and 53,157.15 is: 73,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,599.53 : 131,921.93 = 53,157.15 : x
  2. Step 2: Convert to fraction form
    95,599.53/131,921.93 = 53,157.15/x
  3. Step 3: Cross multiply
    95,599.53x = 131,921.93 × 53,157.15
  4. Step 4: Simplify right side
    95,599.53x = 7,012,593,954.19
  5. Step 5: Solve for x
    x = 7,012,593,954.19/95,599.53
  6. Step 6: Final answer
    x = 73,353.85

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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.