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Finding the Fourth Proportional to 96,897.44, 133,722.44 and 54,455.88

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Solution

The fourth proportional to 96,897.44, 133,722.44 and 54,455.88 is: 75,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,897.44 : 133,722.44 = 54,455.88 : x
  2. Step 2: Convert to fraction form
    96,897.44/133,722.44 = 54,455.88/x
  3. Step 3: Cross multiply
    96,897.44x = 133,722.44 × 54,455.88
  4. Step 4: Simplify right side
    96,897.44x = 7,281,973,145.95
  5. Step 5: Solve for x
    x = 7,281,973,145.95/96,897.44
  6. Step 6: Final answer
    x = 75,151.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.