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Finding the Fourth Proportional to 65,163.52, 89,999.04 and 44,030.08

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Solution

The fourth proportional to 65,163.52, 89,999.04 and 44,030.08 is: 60,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,163.52 : 89,999.04 = 44,030.08 : x
  2. Step 2: Convert to fraction form
    65,163.52/89,999.04 = 44,030.08/x
  3. Step 3: Cross multiply
    65,163.52x = 89,999.04 × 44,030.08
  4. Step 4: Simplify right side
    65,163.52x = 3,962,664,931.12
  5. Step 5: Solve for x
    x = 3,962,664,931.12/65,163.52
  6. Step 6: Final answer
    x = 60,811.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.