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Finding the Fourth Proportional to 133,987.69, 184,903.51 and 73,564.52

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Solution

The fourth proportional to 133,987.69, 184,903.51 and 73,564.52 is: 101,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,987.69 : 184,903.51 = 73,564.52 : x
  2. Step 2: Convert to fraction form
    133,987.69/184,903.51 = 73,564.52/x
  3. Step 3: Cross multiply
    133,987.69x = 184,903.51 × 73,564.52
  4. Step 4: Simplify right side
    133,987.69x = 13,602,337,959.47
  5. Step 5: Solve for x
    x = 13,602,337,959.47/133,987.69
  6. Step 6: Final answer
    x = 101,519.31

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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.