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Finding the Fourth Proportional to 133,641.86, 184,425.21 and 73,216.26

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Solution

The fourth proportional to 133,641.86, 184,425.21 and 73,216.26 is: 101,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641.86 : 184,425.21 = 73,216.26 : x
  2. Step 2: Convert to fraction form
    133,641.86/184,425.21 = 73,216.26/x
  3. Step 3: Cross multiply
    133,641.86x = 184,425.21 × 73,216.26
  4. Step 4: Simplify right side
    133,641.86x = 13,502,924,850.53
  5. Step 5: Solve for x
    x = 13,502,924,850.53/133,641.86
  6. Step 6: Final answer
    x = 101,038.14

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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.