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Finding the Fourth Proportional to 68,264.84, 102,323.28 and 34,939.22

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Solution

The fourth proportional to 68,264.84, 102,323.28 and 34,939.22 is: 52,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264.84 : 102,323.28 = 34,939.22 : x
  2. Step 2: Convert to fraction form
    68,264.84/102,323.28 = 34,939.22/x
  3. Step 3: Cross multiply
    68,264.84x = 102,323.28 × 34,939.22
  4. Step 4: Simplify right side
    68,264.84x = 3,575,095,210.45
  5. Step 5: Solve for x
    x = 3,575,095,210.45/68,264.84
  6. Step 6: Final answer
    x = 52,370.96

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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.