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Finding the Fourth Proportional to 68,101.92, 102,152.40 and 26,548.92

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Solution

The fourth proportional to 68,101.92, 102,152.40 and 26,548.92 is: 39,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,101.92 : 102,152.40 = 26,548.92 : x
  2. Step 2: Convert to fraction form
    68,101.92/102,152.40 = 26,548.92/x
  3. Step 3: Cross multiply
    68,101.92x = 102,152.40 × 26,548.92
  4. Step 4: Simplify right side
    68,101.92x = 2,712,035,895.41
  5. Step 5: Solve for x
    x = 2,712,035,895.41/68,101.92
  6. Step 6: Final answer
    x = 39,823.19

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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.