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Finding the Fourth Proportional to 92,763.26, 127,964.28 and 65,916.62

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Solution

The fourth proportional to 92,763.26, 127,964.28 and 65,916.62 is: 90,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,763.26 : 127,964.28 = 65,916.62 : x
  2. Step 2: Convert to fraction form
    92,763.26/127,964.28 = 65,916.62/x
  3. Step 3: Cross multiply
    92,763.26x = 127,964.28 × 65,916.62
  4. Step 4: Simplify right side
    92,763.26x = 8,434,972,818.33
  5. Step 5: Solve for x
    x = 8,434,972,818.33/92,763.26
  6. Step 6: Final answer
    x = 90,930.10

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1.5x scale

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.