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Finding the Fourth Proportional to 96,407.66, 144,577.62 and 28,919.57

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Solution

The fourth proportional to 96,407.66, 144,577.62 and 28,919.57 is: 43,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,407.66 : 144,577.62 = 28,919.57 : x
  2. Step 2: Convert to fraction form
    96,407.66/144,577.62 = 28,919.57/x
  3. Step 3: Cross multiply
    96,407.66x = 144,577.62 × 28,919.57
  4. Step 4: Simplify right side
    96,407.66x = 4,181,122,963.47
  5. Step 5: Solve for x
    x = 4,181,122,963.47/96,407.66
  6. Step 6: Final answer
    x = 43,369.20

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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.