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Finding the Fourth Proportional to 111,602.49, 167,261.37 and 52,307.52

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Solution

The fourth proportional to 111,602.49, 167,261.37 and 52,307.52 is: 78,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,602.49 : 167,261.37 = 52,307.52 : x
  2. Step 2: Convert to fraction form
    111,602.49/167,261.37 = 52,307.52/x
  3. Step 3: Cross multiply
    111,602.49x = 167,261.37 × 52,307.52
  4. Step 4: Simplify right side
    111,602.49x = 8,749,027,456.50
  5. Step 5: Solve for x
    x = 8,749,027,456.50/111,602.49
  6. Step 6: Final answer
    x = 78,394.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.