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Finding the Fourth Proportional to 95,208.39, 142,813.13 and 28,649.07

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Solution

The fourth proportional to 95,208.39, 142,813.13 and 28,649.07 is: 42,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,208.39 : 142,813.13 = 28,649.07 : x
  2. Step 2: Convert to fraction form
    95,208.39/142,813.13 = 28,649.07/x
  3. Step 3: Cross multiply
    95,208.39x = 142,813.13 × 28,649.07
  4. Step 4: Simplify right side
    95,208.39x = 4,091,463,215.04
  5. Step 5: Solve for x
    x = 4,091,463,215.04/95,208.39
  6. Step 6: Final answer
    x = 42,973.77

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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.