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Finding the Fourth Proportional to 254,040.76, 381,024.04 and 74,077.82

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Solution

The fourth proportional to 254,040.76, 381,024.04 and 74,077.82 is: 111,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,040.76 : 381,024.04 = 74,077.82 : x
  2. Step 2: Convert to fraction form
    254,040.76/381,024.04 = 74,077.82/x
  3. Step 3: Cross multiply
    254,040.76x = 381,024.04 × 74,077.82
  4. Step 4: Simplify right side
    254,040.76x = 28,225,431,018.16
  5. Step 5: Solve for x
    x = 28,225,431,018.16/254,040.76
  6. Step 6: Final answer
    x = 111,105.92

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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.