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Finding the Fourth Proportional to 173,978.44, 240,086.18 and 102,363.10

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Solution

The fourth proportional to 173,978.44, 240,086.18 and 102,363.10 is: 141,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,978.44 : 240,086.18 = 102,363.10 : x
  2. Step 2: Convert to fraction form
    173,978.44/240,086.18 = 102,363.10/x
  3. Step 3: Cross multiply
    173,978.44x = 240,086.18 × 102,363.10
  4. Step 4: Simplify right side
    173,978.44x = 24,575,965,307.65
  5. Step 5: Solve for x
    x = 24,575,965,307.65/173,978.44
  6. Step 6: Final answer
    x = 141,258.69

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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.