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Finding the Fourth Proportional to 73,554.94, 101,511.75 and 61,597.72

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Solution

The fourth proportional to 73,554.94, 101,511.75 and 61,597.72 is: 85,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,554.94 : 101,511.75 = 61,597.72 : x
  2. Step 2: Convert to fraction form
    73,554.94/101,511.75 = 61,597.72/x
  3. Step 3: Cross multiply
    73,554.94x = 101,511.75 × 61,597.72
  4. Step 4: Simplify right side
    73,554.94x = 6,252,892,353.21
  5. Step 5: Solve for x
    x = 6,252,892,353.21/73,554.94
  6. Step 6: Final answer
    x = 85,009.82

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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.