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Finding the Fourth Proportional to 105,599.54, 158,399.54 and 25,637.21

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Solution

The fourth proportional to 105,599.54, 158,399.54 and 25,637.21 is: 38,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,599.54 : 158,399.54 = 25,637.21 : x
  2. Step 2: Convert to fraction form
    105,599.54/158,399.54 = 25,637.21/x
  3. Step 3: Cross multiply
    105,599.54x = 158,399.54 × 25,637.21
  4. Step 4: Simplify right side
    105,599.54x = 4,060,922,270.88
  5. Step 5: Solve for x
    x = 4,060,922,270.88/105,599.54
  6. Step 6: Final answer
    x = 38,455.87

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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.