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Finding the Fourth Proportional to 173,962.25, 260,959.31 and 54,019.88

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Solution

The fourth proportional to 173,962.25, 260,959.31 and 54,019.88 is: 81,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,962.25 : 260,959.31 = 54,019.88 : x
  2. Step 2: Convert to fraction form
    173,962.25/260,959.31 = 54,019.88/x
  3. Step 3: Cross multiply
    173,962.25x = 260,959.31 × 54,019.88
  4. Step 4: Simplify right side
    173,962.25x = 14,096,989,036.19
  5. Step 5: Solve for x
    x = 14,096,989,036.19/173,962.25
  6. Step 6: Final answer
    x = 81,034.76

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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.