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Finding the Fourth Proportional to 75,247.89, 103,842.38 and 41,256.89

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Solution

The fourth proportional to 75,247.89, 103,842.38 and 41,256.89 is: 56,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,247.89 : 103,842.38 = 41,256.89 : x
  2. Step 2: Convert to fraction form
    75,247.89/103,842.38 = 41,256.89/x
  3. Step 3: Cross multiply
    75,247.89x = 103,842.38 × 41,256.89
  4. Step 4: Simplify right side
    75,247.89x = 4,284,213,649.00
  5. Step 5: Solve for x
    x = 4,284,213,649.00/75,247.89
  6. Step 6: Final answer
    x = 56,934.67

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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.