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Finding the Fourth Proportional to 133,987.94, 184,903.85 and 73,564.77

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Solution

The fourth proportional to 133,987.94, 184,903.85 and 73,564.77 is: 101,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,987.94 : 184,903.85 = 73,564.77 : x
  2. Step 2: Convert to fraction form
    133,987.94/184,903.85 = 73,564.77/x
  3. Step 3: Cross multiply
    133,987.94x = 184,903.85 × 73,564.77
  4. Step 4: Simplify right side
    133,987.94x = 13,602,409,197.36
  5. Step 5: Solve for x
    x = 13,602,409,197.36/133,987.94
  6. Step 6: Final answer
    x = 101,519.65

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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.