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Finding the Fourth Proportional to 163,432.86, 244,927.86 and 84,602.46

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Solution

The fourth proportional to 163,432.86, 244,927.86 and 84,602.46 is: 126,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,432.86 : 244,927.86 = 84,602.46 : x
  2. Step 2: Convert to fraction form
    163,432.86/244,927.86 = 84,602.46/x
  3. Step 3: Cross multiply
    163,432.86x = 244,927.86 × 84,602.46
  4. Step 4: Simplify right side
    163,432.86x = 20,721,499,478.54
  5. Step 5: Solve for x
    x = 20,721,499,478.54/163,432.86
  6. Step 6: Final answer
    x = 126,789.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.