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Finding the Fourth Proportional to 61,599.06, 91,953 and 54,125.69

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Solution

The fourth proportional to 61,599.06, 91,953 and 54,125.69 is: 80,797.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.06 : 91,953 = 54,125.69 : x
  2. Step 2: Convert to fraction form
    61,599.06/91,953 = 54,125.69/x
  3. Step 3: Cross multiply
    61,599.06x = 91,953 × 54,125.69
  4. Step 4: Simplify right side
    61,599.06x = 4,977,019,112.81
  5. Step 5: Solve for x
    x = 4,977,019,112.81/61,599.06
  6. Step 6: Final answer
    x = 80,797.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.