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Finding the Fourth Proportional to 223,681.66, 308,579.01 and 132,986.20

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Solution

The fourth proportional to 223,681.66, 308,579.01 and 132,986.20 is: 183,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,681.66 : 308,579.01 = 132,986.20 : x
  2. Step 2: Convert to fraction form
    223,681.66/308,579.01 = 132,986.20/x
  3. Step 3: Cross multiply
    223,681.66x = 308,579.01 × 132,986.20
  4. Step 4: Simplify right side
    223,681.66x = 41,036,749,939.66
  5. Step 5: Solve for x
    x = 41,036,749,939.66/223,681.66
  6. Step 6: Final answer
    x = 183,460.50

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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.