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Finding the Fourth Proportional to 68,409.02, 102,623.76 and 24,027.98

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Solution

The fourth proportional to 68,409.02, 102,623.76 and 24,027.98 is: 36,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409.02 : 102,623.76 = 24,027.98 : x
  2. Step 2: Convert to fraction form
    68,409.02/102,623.76 = 24,027.98/x
  3. Step 3: Cross multiply
    68,409.02x = 102,623.76 × 24,027.98
  4. Step 4: Simplify right side
    68,409.02x = 2,465,841,139.69
  5. Step 5: Solve for x
    x = 2,465,841,139.69/68,409.02
  6. Step 6: Final answer
    x = 36,045.55

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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.