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Finding the Fourth Proportional to 223,682.94, 308,580.75 and 132,987.45

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Solution

The fourth proportional to 223,682.94, 308,580.75 and 132,987.45 is: 183,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,682.94 : 308,580.75 = 132,987.45 : x
  2. Step 2: Convert to fraction form
    223,682.94/308,580.75 = 132,987.45/x
  3. Step 3: Cross multiply
    223,682.94x = 308,580.75 × 132,987.45
  4. Step 4: Simplify right side
    223,682.94x = 41,037,367,061.59
  5. Step 5: Solve for x
    x = 41,037,367,061.59/223,682.94
  6. Step 6: Final answer
    x = 183,462.21

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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.