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Finding the Fourth Proportional to 133,587.68, 184,475.88 and 85,923.77

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Solution

The fourth proportional to 133,587.68, 184,475.88 and 85,923.77 is: 118,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,587.68 : 184,475.88 = 85,923.77 : x
  2. Step 2: Convert to fraction form
    133,587.68/184,475.88 = 85,923.77/x
  3. Step 3: Cross multiply
    133,587.68x = 184,475.88 × 85,923.77
  4. Step 4: Simplify right side
    133,587.68x = 15,850,862,161.29
  5. Step 5: Solve for x
    x = 15,850,862,161.29/133,587.68
  6. Step 6: Final answer
    x = 118,655.12

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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.