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Finding the Fourth Proportional to 236,362.48, 354,546.80 and 78,590.93

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Solution

The fourth proportional to 236,362.48, 354,546.80 and 78,590.93 is: 117,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,362.48 : 354,546.80 = 78,590.93 : x
  2. Step 2: Convert to fraction form
    236,362.48/354,546.80 = 78,590.93/x
  3. Step 3: Cross multiply
    236,362.48x = 354,546.80 × 78,590.93
  4. Step 4: Simplify right side
    236,362.48x = 27,864,163,970.73
  5. Step 5: Solve for x
    x = 27,864,163,970.73/236,362.48
  6. Step 6: Final answer
    x = 117,887.42

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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.