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Finding the Fourth Proportional to 159,804.35, 220,530.65 and 88,186.44

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Solution

The fourth proportional to 159,804.35, 220,530.65 and 88,186.44 is: 121,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,804.35 : 220,530.65 = 88,186.44 : x
  2. Step 2: Convert to fraction form
    159,804.35/220,530.65 = 88,186.44/x
  3. Step 3: Cross multiply
    159,804.35x = 220,530.65 × 88,186.44
  4. Step 4: Simplify right side
    159,804.35x = 19,447,812,934.39
  5. Step 5: Solve for x
    x = 19,447,812,934.39/159,804.35
  6. Step 6: Final answer
    x = 121,697.64

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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.