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Finding the Fourth Proportional to 65,869.94, 90,952.92 and 60,832.32

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Solution

The fourth proportional to 65,869.94, 90,952.92 and 60,832.32 is: 83,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869.94 : 90,952.92 = 60,832.32 : x
  2. Step 2: Convert to fraction form
    65,869.94/90,952.92 = 60,832.32/x
  3. Step 3: Cross multiply
    65,869.94x = 90,952.92 × 60,832.32
  4. Step 4: Simplify right side
    65,869.94x = 5,532,877,134.37
  5. Step 5: Solve for x
    x = 5,532,877,134.37/65,869.94
  6. Step 6: Final answer
    x = 83,997.00

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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.