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Finding the Fourth Proportional to 68,411.70, 102,617.55 and 44,792.10

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Solution

The fourth proportional to 68,411.70, 102,617.55 and 44,792.10 is: 67,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,411.70 : 102,617.55 = 44,792.10 : x
  2. Step 2: Convert to fraction form
    68,411.70/102,617.55 = 44,792.10/x
  3. Step 3: Cross multiply
    68,411.70x = 102,617.55 × 44,792.10
  4. Step 4: Simplify right side
    68,411.70x = 4,596,455,561.36
  5. Step 5: Solve for x
    x = 4,596,455,561.36/68,411.70
  6. Step 6: Final answer
    x = 67,188.15

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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.