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Finding the Fourth Proportional to 95,571.84, 143,045.81 and 70,264.65

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Solution

The fourth proportional to 95,571.84, 143,045.81 and 70,264.65 is: 105,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,571.84 : 143,045.81 = 70,264.65 : x
  2. Step 2: Convert to fraction form
    95,571.84/143,045.81 = 70,264.65/x
  3. Step 3: Cross multiply
    95,571.84x = 143,045.81 × 70,264.65
  4. Step 4: Simplify right side
    95,571.84x = 10,051,063,773.62
  5. Step 5: Solve for x
    x = 10,051,063,773.62/95,571.84
  6. Step 6: Final answer
    x = 105,167.63

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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.