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Finding the Fourth Proportional to 215,054.48, 322,582.44 and 65,296.04

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Solution

The fourth proportional to 215,054.48, 322,582.44 and 65,296.04 is: 97,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,054.48 : 322,582.44 = 65,296.04 : x
  2. Step 2: Convert to fraction form
    215,054.48/322,582.44 = 65,296.04/x
  3. Step 3: Cross multiply
    215,054.48x = 322,582.44 × 65,296.04
  4. Step 4: Simplify right side
    215,054.48x = 21,063,355,905.54
  5. Step 5: Solve for x
    x = 21,063,355,905.54/215,054.48
  6. Step 6: Final answer
    x = 97,944.28

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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.