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Finding the Fourth Proportional to 236,957.52, 326,948.64 and 136,355.52

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Solution

The fourth proportional to 236,957.52, 326,948.64 and 136,355.52 is: 188,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,957.52 : 326,948.64 = 136,355.52 : x
  2. Step 2: Convert to fraction form
    236,957.52/326,948.64 = 136,355.52/x
  3. Step 3: Cross multiply
    236,957.52x = 326,948.64 × 136,355.52
  4. Step 4: Simplify right side
    236,957.52x = 44,581,251,820.49
  5. Step 5: Solve for x
    x = 44,581,251,820.49/236,957.52
  6. Step 6: Final answer
    x = 188,140.27

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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.