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Finding the Fourth Proportional to 133,776.38, 184,565.58 and 76,374.38

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Solution

The fourth proportional to 133,776.38, 184,565.58 and 76,374.38 is: 105,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,776.38 : 184,565.58 = 76,374.38 : x
  2. Step 2: Convert to fraction form
    133,776.38/184,565.58 = 76,374.38/x
  3. Step 3: Cross multiply
    133,776.38x = 184,565.58 × 76,374.38
  4. Step 4: Simplify right side
    133,776.38x = 14,096,081,741.84
  5. Step 5: Solve for x
    x = 14,096,081,741.84/133,776.38
  6. Step 6: Final answer
    x = 105,370.48

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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.