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Finding the Fourth Proportional to 65,391.53, 98,086.82 and 43,303.77

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Solution

The fourth proportional to 65,391.53, 98,086.82 and 43,303.77 is: 64,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,391.53 : 98,086.82 = 43,303.77 : x
  2. Step 2: Convert to fraction form
    65,391.53/98,086.82 = 43,303.77/x
  3. Step 3: Cross multiply
    65,391.53x = 98,086.82 × 43,303.77
  4. Step 4: Simplify right side
    65,391.53x = 4,247,529,488.20
  5. Step 5: Solve for x
    x = 4,247,529,488.20/65,391.53
  6. Step 6: Final answer
    x = 64,955.35

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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.