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Finding the Fourth Proportional to 100,940.60, 151,410.90 and 96,347.90

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Solution

The fourth proportional to 100,940.60, 151,410.90 and 96,347.90 is: 144,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,940.60 : 151,410.90 = 96,347.90 : x
  2. Step 2: Convert to fraction form
    100,940.60/151,410.90 = 96,347.90/x
  3. Step 3: Cross multiply
    100,940.60x = 151,410.90 × 96,347.90
  4. Step 4: Simplify right side
    100,940.60x = 14,588,122,252.11
  5. Step 5: Solve for x
    x = 14,588,122,252.11/100,940.60
  6. Step 6: Final answer
    x = 144,521.85

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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.