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Finding the Fourth Proportional to 173,953.85, 260,848.53 and 67,387.72

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Solution

The fourth proportional to 173,953.85, 260,848.53 and 67,387.72 is: 101,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,953.85 : 260,848.53 = 67,387.72 : x
  2. Step 2: Convert to fraction form
    173,953.85/260,848.53 = 67,387.72/x
  3. Step 3: Cross multiply
    173,953.85x = 260,848.53 × 67,387.72
  4. Step 4: Simplify right side
    173,953.85x = 17,577,987,702.05
  5. Step 5: Solve for x
    x = 17,577,987,702.05/173,953.85
  6. Step 6: Final answer
    x = 101,049.72

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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.