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Finding the Fourth Proportional to 253,512.36, 380,267.50 and 63,973.16

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Solution

The fourth proportional to 253,512.36, 380,267.50 and 63,973.16 is: 95,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,512.36 : 380,267.50 = 63,973.16 : x
  2. Step 2: Convert to fraction form
    253,512.36/380,267.50 = 63,973.16/x
  3. Step 3: Cross multiply
    253,512.36x = 380,267.50 × 63,973.16
  4. Step 4: Simplify right side
    253,512.36x = 24,326,913,620.30
  5. Step 5: Solve for x
    x = 24,326,913,620.30/253,512.36
  6. Step 6: Final answer
    x = 95,959.48

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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.