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Finding the Fourth Proportional to 73,017.88, 109,313.26 and 66,014

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Solution

The fourth proportional to 73,017.88, 109,313.26 and 66,014 is: 98,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.88 : 109,313.26 = 66,014 : x
  2. Step 2: Convert to fraction form
    73,017.88/109,313.26 = 66,014/x
  3. Step 3: Cross multiply
    73,017.88x = 109,313.26 × 66,014
  4. Step 4: Simplify right side
    73,017.88x = 7,216,205,545.64
  5. Step 5: Solve for x
    x = 7,216,205,545.64/73,017.88
  6. Step 6: Final answer
    x = 98,827.92

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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.