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Finding the Fourth Proportional to 144,503.62, 216,474.99 and 106,483.90

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Solution

The fourth proportional to 144,503.62, 216,474.99 and 106,483.90 is: 159,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503.62 : 216,474.99 = 106,483.90 : x
  2. Step 2: Convert to fraction form
    144,503.62/216,474.99 = 106,483.90/x
  3. Step 3: Cross multiply
    144,503.62x = 216,474.99 × 106,483.90
  4. Step 4: Simplify right side
    144,503.62x = 23,051,101,187.66
  5. Step 5: Solve for x
    x = 23,051,101,187.66/144,503.62
  6. Step 6: Final answer
    x = 159,519.20

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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.