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Finding the Fourth Proportional to 133,751.82, 184,590.71 and 76,399.71

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Solution

The fourth proportional to 133,751.82, 184,590.71 and 76,399.71 is: 105,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,751.82 : 184,590.71 = 76,399.71 : x
  2. Step 2: Convert to fraction form
    133,751.82/184,590.71 = 76,399.71/x
  3. Step 3: Cross multiply
    133,751.82x = 184,590.71 × 76,399.71
  4. Step 4: Simplify right side
    133,751.82x = 14,102,676,712.69
  5. Step 5: Solve for x
    x = 14,102,676,712.69/133,751.82
  6. Step 6: Final answer
    x = 105,439.14

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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.