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Finding the Fourth Proportional to 144,615.68, 216,681.60 and 94,633.28

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Solution

The fourth proportional to 144,615.68, 216,681.60 and 94,633.28 is: 141,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,615.68 : 216,681.60 = 94,633.28 : x
  2. Step 2: Convert to fraction form
    144,615.68/216,681.60 = 94,633.28/x
  3. Step 3: Cross multiply
    144,615.68x = 216,681.60 × 94,633.28
  4. Step 4: Simplify right side
    144,615.68x = 20,505,290,523.65
  5. Step 5: Solve for x
    x = 20,505,290,523.65/144,615.68
  6. Step 6: Final answer
    x = 141,791.61

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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.