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Finding the Fourth Proportional to 166,952.48, 230,699.95 and 121,551.66

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Solution

The fourth proportional to 166,952.48, 230,699.95 and 121,551.66 is: 167,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,952.48 : 230,699.95 = 121,551.66 : x
  2. Step 2: Convert to fraction form
    166,952.48/230,699.95 = 121,551.66/x
  3. Step 3: Cross multiply
    166,952.48x = 230,699.95 × 121,551.66
  4. Step 4: Simplify right side
    166,952.48x = 28,041,961,580.54
  5. Step 5: Solve for x
    x = 28,041,961,580.54/166,952.48
  6. Step 6: Final answer
    x = 167,963.74

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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.