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Finding the Fourth Proportional to 223,194.92, 308,128.93 and 172,095.66

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Solution

The fourth proportional to 223,194.92, 308,128.93 and 172,095.66 is: 237,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,194.92 : 308,128.93 = 172,095.66 : x
  2. Step 2: Convert to fraction form
    223,194.92/308,128.93 = 172,095.66/x
  3. Step 3: Cross multiply
    223,194.92x = 308,128.93 × 172,095.66
  4. Step 4: Simplify right side
    223,194.92x = 53,027,651,143.20
  5. Step 5: Solve for x
    x = 53,027,651,143.20/223,194.92
  6. Step 6: Final answer
    x = 237,584.49

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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.