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Finding the Fourth Proportional to 173,888.75, 260,784.94 and 61,554.18

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Solution

The fourth proportional to 173,888.75, 260,784.94 and 61,554.18 is: 92,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,888.75 : 260,784.94 = 61,554.18 : x
  2. Step 2: Convert to fraction form
    173,888.75/260,784.94 = 61,554.18/x
  3. Step 3: Cross multiply
    173,888.75x = 260,784.94 × 61,554.18
  4. Step 4: Simplify right side
    173,888.75x = 16,052,403,138.05
  5. Step 5: Solve for x
    x = 16,052,403,138.05/173,888.75
  6. Step 6: Final answer
    x = 92,314.21

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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.