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Finding the Fourth Proportional to 97,883.88, 146,825.81 and 42,479.88

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Solution

The fourth proportional to 97,883.88, 146,825.81 and 42,479.88 is: 63,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,883.88 : 146,825.81 = 42,479.88 : x
  2. Step 2: Convert to fraction form
    97,883.88/146,825.81 = 42,479.88/x
  3. Step 3: Cross multiply
    97,883.88x = 146,825.81 × 42,479.88
  4. Step 4: Simplify right side
    97,883.88x = 6,237,142,789.70
  5. Step 5: Solve for x
    x = 6,237,142,789.70/97,883.88
  6. Step 6: Final answer
    x = 63,719.82

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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.