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Finding the Fourth Proportional to 133,419.59, 184,127.19 and 76,849.19

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Solution

The fourth proportional to 133,419.59, 184,127.19 and 76,849.19 is: 106,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,419.59 : 184,127.19 = 76,849.19 : x
  2. Step 2: Convert to fraction form
    133,419.59/184,127.19 = 76,849.19/x
  3. Step 3: Cross multiply
    133,419.59x = 184,127.19 × 76,849.19
  4. Step 4: Simplify right side
    133,419.59x = 14,150,024,487.84
  5. Step 5: Solve for x
    x = 14,150,024,487.84/133,419.59
  6. Step 6: Final answer
    x = 106,056.58

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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.