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Finding the Fourth Proportional to 133,597.89, 184,366.32 and 91,155.51

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Solution

The fourth proportional to 133,597.89, 184,366.32 and 91,155.51 is: 125,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,597.89 : 184,366.32 = 91,155.51 : x
  2. Step 2: Convert to fraction form
    133,597.89/184,366.32 = 91,155.51/x
  3. Step 3: Cross multiply
    133,597.89x = 184,366.32 × 91,155.51
  4. Step 4: Simplify right side
    133,597.89x = 16,806,005,926.42
  5. Step 5: Solve for x
    x = 16,806,005,926.42/133,597.89
  6. Step 6: Final answer
    x = 125,795.44

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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.