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Finding the Fourth Proportional to 133,698.94, 184,588.41 and 86,035.12

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Solution

The fourth proportional to 133,698.94, 184,588.41 and 86,035.12 is: 118,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.94 : 184,588.41 = 86,035.12 : x
  2. Step 2: Convert to fraction form
    133,698.94/184,588.41 = 86,035.12/x
  3. Step 3: Cross multiply
    133,698.94x = 184,588.41 × 86,035.12
  4. Step 4: Simplify right side
    133,698.94x = 15,881,086,004.96
  5. Step 5: Solve for x
    x = 15,881,086,004.96/133,698.94
  6. Step 6: Final answer
    x = 118,782.44

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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.