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Finding the Fourth Proportional to 134,134.65, 184,978.94 and 88,113.04

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Solution

The fourth proportional to 134,134.65, 184,978.94 and 88,113.04 is: 121,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,134.65 : 184,978.94 = 88,113.04 : x
  2. Step 2: Convert to fraction form
    134,134.65/184,978.94 = 88,113.04/x
  3. Step 3: Cross multiply
    134,134.65x = 184,978.94 × 88,113.04
  4. Step 4: Simplify right side
    134,134.65x = 16,299,055,836.37
  5. Step 5: Solve for x
    x = 16,299,055,836.37/134,134.65
  6. Step 6: Final answer
    x = 121,512.64

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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.