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Finding the Fourth Proportional to 266,501.25, 399,708.08 and 95,687.60

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Solution

The fourth proportional to 266,501.25, 399,708.08 and 95,687.60 is: 143,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,501.25 : 399,708.08 = 95,687.60 : x
  2. Step 2: Convert to fraction form
    266,501.25/399,708.08 = 95,687.60/x
  3. Step 3: Cross multiply
    266,501.25x = 399,708.08 × 95,687.60
  4. Step 4: Simplify right side
    266,501.25x = 38,247,105,637.32
  5. Step 5: Solve for x
    x = 38,247,105,637.32/266,501.25
  6. Step 6: Final answer
    x = 143,515.67

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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.