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Finding the Fourth Proportional to 188,558.67, 260,211.33 and 103,675.77

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Solution

The fourth proportional to 188,558.67, 260,211.33 and 103,675.77 is: 143,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,558.67 : 260,211.33 = 103,675.77 : x
  2. Step 2: Convert to fraction form
    188,558.67/260,211.33 = 103,675.77/x
  3. Step 3: Cross multiply
    188,558.67x = 260,211.33 × 103,675.77
  4. Step 4: Simplify right side
    188,558.67x = 26,977,610,000.47
  5. Step 5: Solve for x
    x = 26,977,610,000.47/188,558.67
  6. Step 6: Final answer
    x = 143,072.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.