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Finding the Fourth Proportional to 104,866.88, 157,304.25 and 28,973.12

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Solution

The fourth proportional to 104,866.88, 157,304.25 and 28,973.12 is: 43,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,866.88 : 157,304.25 = 28,973.12 : x
  2. Step 2: Convert to fraction form
    104,866.88/157,304.25 = 28,973.12/x
  3. Step 3: Cross multiply
    104,866.88x = 157,304.25 × 28,973.12
  4. Step 4: Simplify right side
    104,866.88x = 4,557,594,125.24
  5. Step 5: Solve for x
    x = 4,557,594,125.24/104,866.88
  6. Step 6: Final answer
    x = 43,460.76

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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.