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Finding the Fourth Proportional to 173,240.90, 259,870.66 and 54,921.47

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Solution

The fourth proportional to 173,240.90, 259,870.66 and 54,921.47 is: 82,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,240.90 : 259,870.66 = 54,921.47 : x
  2. Step 2: Convert to fraction form
    173,240.90/259,870.66 = 54,921.47/x
  3. Step 3: Cross multiply
    173,240.90x = 259,870.66 × 54,921.47
  4. Step 4: Simplify right side
    173,240.90x = 14,272,477,357.72
  5. Step 5: Solve for x
    x = 14,272,477,357.72/173,240.90
  6. Step 6: Final answer
    x = 82,385.15

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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.