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Finding the Fourth Proportional to 144,053.36, 216,103.08 and 60,948.08

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Solution

The fourth proportional to 144,053.36, 216,103.08 and 60,948.08 is: 91,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,053.36 : 216,103.08 = 60,948.08 : x
  2. Step 2: Convert to fraction form
    144,053.36/216,103.08 = 60,948.08/x
  3. Step 3: Cross multiply
    144,053.36x = 216,103.08 × 60,948.08
  4. Step 4: Simplify right side
    144,053.36x = 13,171,067,808.09
  5. Step 5: Solve for x
    x = 13,171,067,808.09/144,053.36
  6. Step 6: Final answer
    x = 91,431.87

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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.