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Finding the Fourth Proportional to 173,835.79, 260,751.48 and 55,505.63

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Solution

The fourth proportional to 173,835.79, 260,751.48 and 55,505.63 is: 83,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,835.79 : 260,751.48 = 55,505.63 : x
  2. Step 2: Convert to fraction form
    173,835.79/260,751.48 = 55,505.63/x
  3. Step 3: Cross multiply
    173,835.79x = 260,751.48 × 55,505.63
  4. Step 4: Simplify right side
    173,835.79x = 14,473,175,170.83
  5. Step 5: Solve for x
    x = 14,473,175,170.83/173,835.79
  6. Step 6: Final answer
    x = 83,257.74

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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.