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Finding the Fourth Proportional to 105,758.97, 158,636.22 and 25,797.20

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Solution

The fourth proportional to 105,758.97, 158,636.22 and 25,797.20 is: 38,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,758.97 : 158,636.22 = 25,797.20 : x
  2. Step 2: Convert to fraction form
    105,758.97/158,636.22 = 25,797.20/x
  3. Step 3: Cross multiply
    105,758.97x = 158,636.22 × 25,797.20
  4. Step 4: Simplify right side
    105,758.97x = 4,092,369,501.40
  5. Step 5: Solve for x
    x = 4,092,369,501.40/105,758.97
  6. Step 6: Final answer
    x = 38,695.25

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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.