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Finding the Fourth Proportional to 214,099.01, 295,432.78 and 118,581.78

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Solution

The fourth proportional to 214,099.01, 295,432.78 and 118,581.78 is: 163,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,099.01 : 295,432.78 = 118,581.78 : x
  2. Step 2: Convert to fraction form
    214,099.01/295,432.78 = 118,581.78/x
  3. Step 3: Cross multiply
    214,099.01x = 295,432.78 × 118,581.78
  4. Step 4: Simplify right side
    214,099.01x = 35,032,944,329.84
  5. Step 5: Solve for x
    x = 35,032,944,329.84/214,099.01
  6. Step 6: Final answer
    x = 163,629.65

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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.