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Finding the Fourth Proportional to 133,592.68, 184,482.78 and 85,928.77

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Solution

The fourth proportional to 133,592.68, 184,482.78 and 85,928.77 is: 118,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,592.68 : 184,482.78 = 85,928.77 : x
  2. Step 2: Convert to fraction form
    133,592.68/184,482.78 = 85,928.77/x
  3. Step 3: Cross multiply
    133,592.68x = 184,482.78 × 85,928.77
  4. Step 4: Simplify right side
    133,592.68x = 15,852,377,449.17
  5. Step 5: Solve for x
    x = 15,852,377,449.17/133,592.68
  6. Step 6: Final answer
    x = 118,662.03

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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.