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Finding the Fourth Proportional to 76,199.54, 114,190.38 and 42,849.59

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Solution

The fourth proportional to 76,199.54, 114,190.38 and 42,849.59 is: 64,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,199.54 : 114,190.38 = 42,849.59 : x
  2. Step 2: Convert to fraction form
    76,199.54/114,190.38 = 42,849.59/x
  3. Step 3: Cross multiply
    76,199.54x = 114,190.38 × 42,849.59
  4. Step 4: Simplify right side
    76,199.54x = 4,893,010,393.99
  5. Step 5: Solve for x
    x = 4,893,010,393.99/76,199.54
  6. Step 6: Final answer
    x = 64,213.13

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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.