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Finding the Fourth Proportional to 242,653.76, 363,734.28 and 92,855.60

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Solution

The fourth proportional to 242,653.76, 363,734.28 and 92,855.60 is: 139,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,653.76 : 363,734.28 = 92,855.60 : x
  2. Step 2: Convert to fraction form
    242,653.76/363,734.28 = 92,855.60/x
  3. Step 3: Cross multiply
    242,653.76x = 363,734.28 × 92,855.60
  4. Step 4: Simplify right side
    242,653.76x = 33,774,764,809.97
  5. Step 5: Solve for x
    x = 33,774,764,809.97/242,653.76
  6. Step 6: Final answer
    x = 139,189.13

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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.