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Finding the Fourth Proportional to 74,801.48, 103,218.88 and 41,265.32

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Solution

The fourth proportional to 74,801.48, 103,218.88 and 41,265.32 is: 56,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,801.48 : 103,218.88 = 41,265.32 : x
  2. Step 2: Convert to fraction form
    74,801.48/103,218.88 = 41,265.32/x
  3. Step 3: Cross multiply
    74,801.48x = 103,218.88 × 41,265.32
  4. Step 4: Simplify right side
    74,801.48x = 4,259,360,113.24
  5. Step 5: Solve for x
    x = 4,259,360,113.24/74,801.48
  6. Step 6: Final answer
    x = 56,942.19

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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.