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Finding the Fourth Proportional to 95,411.84, 143,143.68 and 67,884.80

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Solution

The fourth proportional to 95,411.84, 143,143.68 and 67,884.80 is: 101,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,411.84 : 143,143.68 = 67,884.80 : x
  2. Step 2: Convert to fraction form
    95,411.84/143,143.68 = 67,884.80/x
  3. Step 3: Cross multiply
    95,411.84x = 143,143.68 × 67,884.80
  4. Step 4: Simplify right side
    95,411.84x = 9,717,280,088.06
  5. Step 5: Solve for x
    x = 9,717,280,088.06/95,411.84
  6. Step 6: Final answer
    x = 101,845.64

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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.