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Finding the Fourth Proportional to 75,948.93, 104,809.95 and 41,957.01

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Solution

The fourth proportional to 75,948.93, 104,809.95 and 41,957.01 is: 57,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,948.93 : 104,809.95 = 41,957.01 : x
  2. Step 2: Convert to fraction form
    75,948.93/104,809.95 = 41,957.01/x
  3. Step 3: Cross multiply
    75,948.93x = 104,809.95 × 41,957.01
  4. Step 4: Simplify right side
    75,948.93x = 4,397,512,120.25
  5. Step 5: Solve for x
    x = 4,397,512,120.25/75,948.93
  6. Step 6: Final answer
    x = 57,900.91

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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.