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Finding the Fourth Proportional to 133,600.86, 184,369.43 and 72,347.71

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Solution

The fourth proportional to 133,600.86, 184,369.43 and 72,347.71 is: 99,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,600.86 : 184,369.43 = 72,347.71 : x
  2. Step 2: Convert to fraction form
    133,600.86/184,369.43 = 72,347.71/x
  3. Step 3: Cross multiply
    133,600.86x = 184,369.43 × 72,347.71
  4. Step 4: Simplify right side
    133,600.86x = 13,338,706,054.51
  5. Step 5: Solve for x
    x = 13,338,706,054.51/133,600.86
  6. Step 6: Final answer
    x = 99,839.97

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1.5x scale

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.