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Finding the Fourth Proportional to 133,594.98, 184,361.31 and 72,341.84

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Solution

The fourth proportional to 133,594.98, 184,361.31 and 72,341.84 is: 99,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,594.98 : 184,361.31 = 72,341.84 : x
  2. Step 2: Convert to fraction form
    133,594.98/184,361.31 = 72,341.84/x
  3. Step 3: Cross multiply
    133,594.98x = 184,361.31 × 72,341.84
  4. Step 4: Simplify right side
    133,594.98x = 13,337,035,468.40
  5. Step 5: Solve for x
    x = 13,337,035,468.40/133,594.98
  6. Step 6: Final answer
    x = 99,831.86

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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.