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Finding the Fourth Proportional to 95,167.69, 142,751.63 and 28,607.81

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Solution

The fourth proportional to 95,167.69, 142,751.63 and 28,607.81 is: 42,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,167.69 : 142,751.63 = 28,607.81 : x
  2. Step 2: Convert to fraction form
    95,167.69/142,751.63 = 28,607.81/x
  3. Step 3: Cross multiply
    95,167.69x = 142,751.63 × 28,607.81
  4. Step 4: Simplify right side
    95,167.69x = 4,083,811,044.43
  5. Step 5: Solve for x
    x = 4,083,811,044.43/95,167.69
  6. Step 6: Final answer
    x = 42,911.74

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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.