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Finding the Fourth Proportional to 144,053.40, 216,080.10 and 60,936.60

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Solution

The fourth proportional to 144,053.40, 216,080.10 and 60,936.60 is: 91,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,053.40 : 216,080.10 = 60,936.60 : x
  2. Step 2: Convert to fraction form
    144,053.40/216,080.10 = 60,936.60/x
  3. Step 3: Cross multiply
    144,053.40x = 216,080.10 × 60,936.60
  4. Step 4: Simplify right side
    144,053.40x = 13,167,186,621.66
  5. Step 5: Solve for x
    x = 13,167,186,621.66/144,053.40
  6. Step 6: Final answer
    x = 91,404.90

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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.