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Finding the Fourth Proportional to 121,693.48, 182,352.07 and 94,976.12

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Solution

The fourth proportional to 121,693.48, 182,352.07 and 94,976.12 is: 142,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,693.48 : 182,352.07 = 94,976.12 : x
  2. Step 2: Convert to fraction form
    121,693.48/182,352.07 = 94,976.12/x
  3. Step 3: Cross multiply
    121,693.48x = 182,352.07 × 94,976.12
  4. Step 4: Simplify right side
    121,693.48x = 17,319,092,082.57
  5. Step 5: Solve for x
    x = 17,319,092,082.57/121,693.48
  6. Step 6: Final answer
    x = 142,317.34

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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.