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Finding the Fourth Proportional to 127,946.67, 191,662.98 and 63,711.29

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Solution

The fourth proportional to 127,946.67, 191,662.98 and 63,711.29 is: 95,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.67 : 191,662.98 = 63,711.29 : x
  2. Step 2: Convert to fraction form
    127,946.67/191,662.98 = 63,711.29/x
  3. Step 3: Cross multiply
    127,946.67x = 191,662.98 × 63,711.29
  4. Step 4: Simplify right side
    127,946.67x = 12,211,095,701.04
  5. Step 5: Solve for x
    x = 12,211,095,701.04/127,946.67
  6. Step 6: Final answer
    x = 95,438.95

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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.