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Finding the Fourth Proportional to 65,579.80, 97,747.13 and 63,419.80

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Solution

The fourth proportional to 65,579.80, 97,747.13 and 63,419.80 is: 94,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,579.80 : 97,747.13 = 63,419.80 : x
  2. Step 2: Convert to fraction form
    65,579.80/97,747.13 = 63,419.80/x
  3. Step 3: Cross multiply
    65,579.80x = 97,747.13 × 63,419.80
  4. Step 4: Simplify right side
    65,579.80x = 6,199,103,435.17
  5. Step 5: Solve for x
    x = 6,199,103,435.17/65,579.80
  6. Step 6: Final answer
    x = 94,527.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.