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Finding the Fourth Proportional to 74,898.64, 103,350.60 and 41,362.64

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Solution

The fourth proportional to 74,898.64, 103,350.60 and 41,362.64 is: 57,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898.64 : 103,350.60 = 41,362.64 : x
  2. Step 2: Convert to fraction form
    74,898.64/103,350.60 = 41,362.64/x
  3. Step 3: Cross multiply
    74,898.64x = 103,350.60 × 41,362.64
  4. Step 4: Simplify right side
    74,898.64x = 4,274,853,661.58
  5. Step 5: Solve for x
    x = 4,274,853,661.58/74,898.64
  6. Step 6: Final answer
    x = 57,075.18

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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.