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Finding the Fourth Proportional to 65,373.84, 98,060.82 and 45,690.84

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Solution

The fourth proportional to 65,373.84, 98,060.82 and 45,690.84 is: 68,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373.84 : 98,060.82 = 45,690.84 : x
  2. Step 2: Convert to fraction form
    65,373.84/98,060.82 = 45,690.84/x
  3. Step 3: Cross multiply
    65,373.84x = 98,060.82 × 45,690.84
  4. Step 4: Simplify right side
    65,373.84x = 4,480,481,236.89
  5. Step 5: Solve for x
    x = 4,480,481,236.89/65,373.84
  6. Step 6: Final answer
    x = 68,536.30

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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.