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Finding the Fourth Proportional to 127,996.52, 191,737.64 and 63,760.98

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Solution

The fourth proportional to 127,996.52, 191,737.64 and 63,760.98 is: 95,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,996.52 : 191,737.64 = 63,760.98 : x
  2. Step 2: Convert to fraction form
    127,996.52/191,737.64 = 63,760.98/x
  3. Step 3: Cross multiply
    127,996.52x = 191,737.64 × 63,760.98
  4. Step 4: Simplify right side
    127,996.52x = 12,225,380,707.71
  5. Step 5: Solve for x
    x = 12,225,380,707.71/127,996.52
  6. Step 6: Final answer
    x = 95,513.39

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1.5x scale

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.