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Finding the Fourth Proportional to 144,410.70, 216,583.65 and 94,838.70

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Solution

The fourth proportional to 144,410.70, 216,583.65 and 94,838.70 is: 142,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,410.70 : 216,583.65 = 94,838.70 : x
  2. Step 2: Convert to fraction form
    144,410.70/216,583.65 = 94,838.70/x
  3. Step 3: Cross multiply
    144,410.70x = 216,583.65 × 94,838.70
  4. Step 4: Simplify right side
    144,410.70x = 20,540,511,807.26
  5. Step 5: Solve for x
    x = 20,540,511,807.26/144,410.70
  6. Step 6: Final answer
    x = 142,236.77

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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.