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Finding the Fourth Proportional to 75,758.58, 104,565.60 and 51,599.52

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Solution

The fourth proportional to 75,758.58, 104,565.60 and 51,599.52 is: 71,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,758.58 : 104,565.60 = 51,599.52 : x
  2. Step 2: Convert to fraction form
    75,758.58/104,565.60 = 51,599.52/x
  3. Step 3: Cross multiply
    75,758.58x = 104,565.60 × 51,599.52
  4. Step 4: Simplify right side
    75,758.58x = 5,395,534,768.51
  5. Step 5: Solve for x
    x = 5,395,534,768.51/75,758.58
  6. Step 6: Final answer
    x = 71,220.11

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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.