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Finding the Fourth Proportional to 93,863.90, 129,524.73 and 51,422.06

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Solution

The fourth proportional to 93,863.90, 129,524.73 and 51,422.06 is: 70,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,863.90 : 129,524.73 = 51,422.06 : x
  2. Step 2: Convert to fraction form
    93,863.90/129,524.73 = 51,422.06/x
  3. Step 3: Cross multiply
    93,863.90x = 129,524.73 × 51,422.06
  4. Step 4: Simplify right side
    93,863.90x = 6,660,428,437.54
  5. Step 5: Solve for x
    x = 6,660,428,437.54/93,863.90
  6. Step 6: Final answer
    x = 70,958.36

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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.