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Finding the Fourth Proportional to 105,930.77, 158,896.40 and 25,969.08

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Solution

The fourth proportional to 105,930.77, 158,896.40 and 25,969.08 is: 38,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,930.77 : 158,896.40 = 25,969.08 : x
  2. Step 2: Convert to fraction form
    105,930.77/158,896.40 = 25,969.08/x
  3. Step 3: Cross multiply
    105,930.77x = 158,896.40 × 25,969.08
  4. Step 4: Simplify right side
    105,930.77x = 4,126,393,193.47
  5. Step 5: Solve for x
    x = 4,126,393,193.47/105,930.77
  6. Step 6: Final answer
    x = 38,953.68

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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.