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Finding the Fourth Proportional to 173,898.75, 260,870.40 and 49,239.75

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Solution

The fourth proportional to 173,898.75, 260,870.40 and 49,239.75 is: 73,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,898.75 : 260,870.40 = 49,239.75 : x
  2. Step 2: Convert to fraction form
    173,898.75/260,870.40 = 49,239.75/x
  3. Step 3: Cross multiply
    173,898.75x = 260,870.40 × 49,239.75
  4. Step 4: Simplify right side
    173,898.75x = 12,845,193,278.40
  5. Step 5: Solve for x
    x = 12,845,193,278.40/173,898.75
  6. Step 6: Final answer
    x = 73,865.93

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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.