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Finding the Fourth Proportional to 236,095.89, 354,248.37 and 123,749.40

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Solution

The fourth proportional to 236,095.89, 354,248.37 and 123,749.40 is: 185,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,095.89 : 354,248.37 = 123,749.40 : x
  2. Step 2: Convert to fraction form
    236,095.89/354,248.37 = 123,749.40/x
  3. Step 3: Cross multiply
    236,095.89x = 354,248.37 × 123,749.40
  4. Step 4: Simplify right side
    236,095.89x = 43,838,022,619.73
  5. Step 5: Solve for x
    x = 43,838,022,619.73/236,095.89
  6. Step 6: Final answer
    x = 185,678.89

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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.