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Finding the Fourth Proportional to 144,498.40, 216,736.80 and 60,236.80

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Solution

The fourth proportional to 144,498.40, 216,736.80 and 60,236.80 is: 90,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,498.40 : 216,736.80 = 60,236.80 : x
  2. Step 2: Convert to fraction form
    144,498.40/216,736.80 = 60,236.80/x
  3. Step 3: Cross multiply
    144,498.40x = 216,736.80 × 60,236.80
  4. Step 4: Simplify right side
    144,498.40x = 13,055,531,274.24
  5. Step 5: Solve for x
    x = 13,055,531,274.24/144,498.40
  6. Step 6: Final answer
    x = 90,350.70

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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.