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Finding the Fourth Proportional to 134,015.67, 184,928.54 and 77,425.83

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Solution

The fourth proportional to 134,015.67, 184,928.54 and 77,425.83 is: 106,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,015.67 : 184,928.54 = 77,425.83 : x
  2. Step 2: Convert to fraction form
    134,015.67/184,928.54 = 77,425.83/x
  3. Step 3: Cross multiply
    134,015.67x = 184,928.54 × 77,425.83
  4. Step 4: Simplify right side
    134,015.67x = 14,318,245,313.06
  5. Step 5: Solve for x
    x = 14,318,245,313.06/134,015.67
  6. Step 6: Final answer
    x = 106,840.08

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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.