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Finding the Fourth Proportional to 188,559.69, 260,174.98 and 105,776.33

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Solution

The fourth proportional to 188,559.69, 260,174.98 and 105,776.33 is: 145,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.69 : 260,174.98 = 105,776.33 : x
  2. Step 2: Convert to fraction form
    188,559.69/260,174.98 = 105,776.33/x
  3. Step 3: Cross multiply
    188,559.69x = 260,174.98 × 105,776.33
  4. Step 4: Simplify right side
    188,559.69x = 27,520,353,627.35
  5. Step 5: Solve for x
    x = 27,520,353,627.35/188,559.69
  6. Step 6: Final answer
    x = 145,950.36

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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.