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Finding the Fourth Proportional to 65,561.10, 98,529.07 and 61,118.61

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Solution

The fourth proportional to 65,561.10, 98,529.07 and 61,118.61 is: 91,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,561.10 : 98,529.07 = 61,118.61 : x
  2. Step 2: Convert to fraction form
    65,561.10/98,529.07 = 61,118.61/x
  3. Step 3: Cross multiply
    65,561.10x = 98,529.07 × 61,118.61
  4. Step 4: Simplify right side
    65,561.10x = 6,021,959,395.31
  5. Step 5: Solve for x
    x = 6,021,959,395.31/65,561.10
  6. Step 6: Final answer
    x = 91,852.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.