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Finding the Fourth Proportional to 65,901.87, 98,753.04 and 43,635.51

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Solution

The fourth proportional to 65,901.87, 98,753.04 and 43,635.51 is: 65,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,901.87 : 98,753.04 = 43,635.51 : x
  2. Step 2: Convert to fraction form
    65,901.87/98,753.04 = 43,635.51/x
  3. Step 3: Cross multiply
    65,901.87x = 98,753.04 × 43,635.51
  4. Step 4: Simplify right side
    65,901.87x = 4,309,139,264.45
  5. Step 5: Solve for x
    x = 4,309,139,264.45/65,901.87
  6. Step 6: Final answer
    x = 65,387.21

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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.