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Finding the Fourth Proportional to 131,875.56, 197,891.28 and 48,827.88

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Solution

The fourth proportional to 131,875.56, 197,891.28 and 48,827.88 is: 73,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,875.56 : 197,891.28 = 48,827.88 : x
  2. Step 2: Convert to fraction form
    131,875.56/197,891.28 = 48,827.88/x
  3. Step 3: Cross multiply
    131,875.56x = 197,891.28 × 48,827.88
  4. Step 4: Simplify right side
    131,875.56x = 9,662,611,672.89
  5. Step 5: Solve for x
    x = 9,662,611,672.89/131,875.56
  6. Step 6: Final answer
    x = 73,270.68

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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.