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Finding the Fourth Proportional to 74,435.55, 111,669.72 and 41,204.08

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Solution

The fourth proportional to 74,435.55, 111,669.72 and 41,204.08 is: 61,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.55 : 111,669.72 = 41,204.08 : x
  2. Step 2: Convert to fraction form
    74,435.55/111,669.72 = 41,204.08/x
  3. Step 3: Cross multiply
    74,435.55x = 111,669.72 × 41,204.08
  4. Step 4: Simplify right side
    74,435.55x = 4,601,248,076.46
  5. Step 5: Solve for x
    x = 4,601,248,076.46/74,435.55
  6. Step 6: Final answer
    x = 61,815.20

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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.