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Finding the Fourth Proportional to 223,418, 308,316.88 and 127,956.32

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Solution

The fourth proportional to 223,418, 308,316.88 and 127,956.32 is: 176,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,418 : 308,316.88 = 127,956.32 : x
  2. Step 2: Convert to fraction form
    223,418/308,316.88 = 127,956.32/x
  3. Step 3: Cross multiply
    223,418x = 308,316.88 × 127,956.32
  4. Step 4: Simplify right side
    223,418x = 39,451,093,358.68
  5. Step 5: Solve for x
    x = 39,451,093,358.68/223,418
  6. Step 6: Final answer
    x = 176,579.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.