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Finding the Fourth Proportional to 96,491.54, 144,678.71 and 43,173.59

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Solution

The fourth proportional to 96,491.54, 144,678.71 and 43,173.59 is: 64,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,491.54 : 144,678.71 = 43,173.59 : x
  2. Step 2: Convert to fraction form
    96,491.54/144,678.71 = 43,173.59/x
  3. Step 3: Cross multiply
    96,491.54x = 144,678.71 × 43,173.59
  4. Step 4: Simplify right side
    96,491.54x = 6,246,298,368.01
  5. Step 5: Solve for x
    x = 6,246,298,368.01/96,491.54
  6. Step 6: Final answer
    x = 64,734.15

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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.