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Finding the Fourth Proportional to 133,649.16, 184,435.77 and 79,934.17

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Solution

The fourth proportional to 133,649.16, 184,435.77 and 79,934.17 is: 110,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.16 : 184,435.77 = 79,934.17 : x
  2. Step 2: Convert to fraction form
    133,649.16/184,435.77 = 79,934.17/x
  3. Step 3: Cross multiply
    133,649.16x = 184,435.77 × 79,934.17
  4. Step 4: Simplify right side
    133,649.16x = 14,742,720,193.26
  5. Step 5: Solve for x
    x = 14,742,720,193.26/133,649.16
  6. Step 6: Final answer
    x = 110,309.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.