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Finding the Fourth Proportional to 144,291.68, 216,460.82 and 44,451.88

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Solution

The fourth proportional to 144,291.68, 216,460.82 and 44,451.88 is: 66,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,291.68 : 216,460.82 = 44,451.88 : x
  2. Step 2: Convert to fraction form
    144,291.68/216,460.82 = 44,451.88/x
  3. Step 3: Cross multiply
    144,291.68x = 216,460.82 × 44,451.88
  4. Step 4: Simplify right side
    144,291.68x = 9,622,090,395.34
  5. Step 5: Solve for x
    x = 9,622,090,395.34/144,291.68
  6. Step 6: Final answer
    x = 66,685.00

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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.