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Finding the Fourth Proportional to 173,890.80, 260,868.60 and 55,595.70

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Solution

The fourth proportional to 173,890.80, 260,868.60 and 55,595.70 is: 83,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.80 : 260,868.60 = 55,595.70 : x
  2. Step 2: Convert to fraction form
    173,890.80/260,868.60 = 55,595.70/x
  3. Step 3: Cross multiply
    173,890.80x = 260,868.60 × 55,595.70
  4. Step 4: Simplify right side
    173,890.80x = 14,503,172,425.02
  5. Step 5: Solve for x
    x = 14,503,172,425.02/173,890.80
  6. Step 6: Final answer
    x = 83,403.91

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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.