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Finding the Fourth Proportional to 144,662.96, 216,850.91 and 73,373.58

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Solution

The fourth proportional to 144,662.96, 216,850.91 and 73,373.58 is: 109,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,662.96 : 216,850.91 = 73,373.58 : x
  2. Step 2: Convert to fraction form
    144,662.96/216,850.91 = 73,373.58/x
  3. Step 3: Cross multiply
    144,662.96x = 216,850.91 × 73,373.58
  4. Step 4: Simplify right side
    144,662.96x = 15,911,127,226.09
  5. Step 5: Solve for x
    x = 15,911,127,226.09/144,662.96
  6. Step 6: Final answer
    x = 109,987.57

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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.