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Finding the Fourth Proportional to 133,482.90, 184,188.18 and 79,756.56

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Solution

The fourth proportional to 133,482.90, 184,188.18 and 79,756.56 is: 110,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,482.90 : 184,188.18 = 79,756.56 : x
  2. Step 2: Convert to fraction form
    133,482.90/184,188.18 = 79,756.56/x
  3. Step 3: Cross multiply
    133,482.90x = 184,188.18 × 79,756.56
  4. Step 4: Simplify right side
    133,482.90x = 14,690,215,629.46
  5. Step 5: Solve for x
    x = 14,690,215,629.46/133,482.90
  6. Step 6: Final answer
    x = 110,053.17

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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.