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Finding the Fourth Proportional to 95,555.70, 143,136.45 and 55,992.90

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Solution

The fourth proportional to 95,555.70, 143,136.45 and 55,992.90 is: 83,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,555.70 : 143,136.45 = 55,992.90 : x
  2. Step 2: Convert to fraction form
    95,555.70/143,136.45 = 55,992.90/x
  3. Step 3: Cross multiply
    95,555.70x = 143,136.45 × 55,992.90
  4. Step 4: Simplify right side
    95,555.70x = 8,014,624,931.21
  5. Step 5: Solve for x
    x = 8,014,624,931.21/95,555.70
  6. Step 6: Final answer
    x = 83,873.86

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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.