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Finding the Fourth Proportional to 72,562.38, 108,714.67 and 61,924.44

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Solution

The fourth proportional to 72,562.38, 108,714.67 and 61,924.44 is: 92,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,562.38 : 108,714.67 = 61,924.44 : x
  2. Step 2: Convert to fraction form
    72,562.38/108,714.67 = 61,924.44/x
  3. Step 3: Cross multiply
    72,562.38x = 108,714.67 × 61,924.44
  4. Step 4: Simplify right side
    72,562.38x = 6,732,095,312.40
  5. Step 5: Solve for x
    x = 6,732,095,312.40/72,562.38
  6. Step 6: Final answer
    x = 92,776.67

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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.