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Finding the Fourth Proportional to 188,499.77, 260,042.99 and 167,011.44

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Solution

The fourth proportional to 188,499.77, 260,042.99 and 167,011.44 is: 230,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,499.77 : 260,042.99 = 167,011.44 : x
  2. Step 2: Convert to fraction form
    188,499.77/260,042.99 = 167,011.44/x
  3. Step 3: Cross multiply
    188,499.77x = 260,042.99 × 167,011.44
  4. Step 4: Simplify right side
    188,499.77x = 43,430,152,411.59
  5. Step 5: Solve for x
    x = 43,430,152,411.59/188,499.77
  6. Step 6: Final answer
    x = 230,398.97

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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.