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Finding the Fourth Proportional to 242,906.25, 364,406.08 and 93,134.86

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Solution

The fourth proportional to 242,906.25, 364,406.08 and 93,134.86 is: 139,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,906.25 : 364,406.08 = 93,134.86 : x
  2. Step 2: Convert to fraction form
    242,906.25/364,406.08 = 93,134.86/x
  3. Step 3: Cross multiply
    242,906.25x = 364,406.08 × 93,134.86
  4. Step 4: Simplify right side
    242,906.25x = 33,938,908,100.10
  5. Step 5: Solve for x
    x = 33,938,908,100.10/242,906.25
  6. Step 6: Final answer
    x = 139,720.19

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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.