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Finding the Fourth Proportional to 133,362.36, 184,060.08 and 76,762.80

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Solution

The fourth proportional to 133,362.36, 184,060.08 and 76,762.80 is: 105,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.36 : 184,060.08 = 76,762.80 : x
  2. Step 2: Convert to fraction form
    133,362.36/184,060.08 = 76,762.80/x
  3. Step 3: Cross multiply
    133,362.36x = 184,060.08 × 76,762.80
  4. Step 4: Simplify right side
    133,362.36x = 14,128,967,109.02
  5. Step 5: Solve for x
    x = 14,128,967,109.02/133,362.36
  6. Step 6: Final answer
    x = 105,944.19

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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.