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Finding the Fourth Proportional to 223,781.51, 308,714.21 and 133,086.62

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Solution

The fourth proportional to 223,781.51, 308,714.21 and 133,086.62 is: 183,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,781.51 : 308,714.21 = 133,086.62 : x
  2. Step 2: Convert to fraction form
    223,781.51/308,714.21 = 133,086.62/x
  3. Step 3: Cross multiply
    223,781.51x = 308,714.21 × 133,086.62
  4. Step 4: Simplify right side
    223,781.51x = 41,085,730,754.87
  5. Step 5: Solve for x
    x = 41,085,730,754.87/223,781.51
  6. Step 6: Final answer
    x = 183,597.52

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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.