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Finding the Fourth Proportional to 110,371.67, 152,308.30 and 65,051.58

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Solution

The fourth proportional to 110,371.67, 152,308.30 and 65,051.58 is: 89,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,371.67 : 152,308.30 = 65,051.58 : x
  2. Step 2: Convert to fraction form
    110,371.67/152,308.30 = 65,051.58/x
  3. Step 3: Cross multiply
    110,371.67x = 152,308.30 × 65,051.58
  4. Step 4: Simplify right side
    110,371.67x = 9,907,895,562.11
  5. Step 5: Solve for x
    x = 9,907,895,562.11/110,371.67
  6. Step 6: Final answer
    x = 89,768.47

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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.