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Finding the Fourth Proportional to 223,681.44, 308,578.66 and 132,985.96

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Solution

The fourth proportional to 223,681.44, 308,578.66 and 132,985.96 is: 183,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,681.44 : 308,578.66 = 132,985.96 : x
  2. Step 2: Convert to fraction form
    223,681.44/308,578.66 = 132,985.96/x
  3. Step 3: Cross multiply
    223,681.44x = 308,578.66 × 132,985.96
  4. Step 4: Simplify right side
    223,681.44x = 41,036,629,335.61
  5. Step 5: Solve for x
    x = 41,036,629,335.61/223,681.44
  6. Step 6: Final answer
    x = 183,460.14

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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.