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Finding the Fourth Proportional to 188,967.50, 260,756.22 and 116,358.75

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Solution

The fourth proportional to 188,967.50, 260,756.22 and 116,358.75 is: 160,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,967.50 : 260,756.22 = 116,358.75 : x
  2. Step 2: Convert to fraction form
    188,967.50/260,756.22 = 116,358.75/x
  3. Step 3: Cross multiply
    188,967.50x = 260,756.22 × 116,358.75
  4. Step 4: Simplify right side
    188,967.50x = 30,341,267,813.93
  5. Step 5: Solve for x
    x = 30,341,267,813.93/188,967.50
  6. Step 6: Final answer
    x = 160,563.42

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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.