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Finding the Fourth Proportional to 48,966.74, 67,134.02 and 48,081.01

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Solution

The fourth proportional to 48,966.74, 67,134.02 and 48,081.01 is: 65,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,966.74 : 67,134.02 = 48,081.01 : x
  2. Step 2: Convert to fraction form
    48,966.74/67,134.02 = 48,081.01/x
  3. Step 3: Cross multiply
    48,966.74x = 67,134.02 × 48,081.01
  4. Step 4: Simplify right side
    48,966.74x = 3,227,871,486.96
  5. Step 5: Solve for x
    x = 3,227,871,486.96/48,966.74
  6. Step 6: Final answer
    x = 65,919.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.