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Finding the Fourth Proportional to 101,764.95, 152,622.54 and 79,523.16

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Solution

The fourth proportional to 101,764.95, 152,622.54 and 79,523.16 is: 119,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,764.95 : 152,622.54 = 79,523.16 : x
  2. Step 2: Convert to fraction form
    101,764.95/152,622.54 = 79,523.16/x
  3. Step 3: Cross multiply
    101,764.95x = 152,622.54 × 79,523.16
  4. Step 4: Simplify right side
    101,764.95x = 12,137,026,668.03
  5. Step 5: Solve for x
    x = 12,137,026,668.03/101,764.95
  6. Step 6: Final answer
    x = 119,265.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.