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Finding the Fourth Proportional to 188,333.88, 260,104.68 and 116,884.32

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Solution

The fourth proportional to 188,333.88, 260,104.68 and 116,884.32 is: 161,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,333.88 : 260,104.68 = 116,884.32 : x
  2. Step 2: Convert to fraction form
    188,333.88/260,104.68 = 116,884.32/x
  3. Step 3: Cross multiply
    188,333.88x = 260,104.68 × 116,884.32
  4. Step 4: Simplify right side
    188,333.88x = 30,402,158,650.62
  5. Step 5: Solve for x
    x = 30,402,158,650.62/188,333.88
  6. Step 6: Final answer
    x = 161,426.92

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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.