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Finding the Fourth Proportional to 100,573.08, 150,859.62 and 25,690.62

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Solution

The fourth proportional to 100,573.08, 150,859.62 and 25,690.62 is: 38,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,573.08 : 150,859.62 = 25,690.62 : x
  2. Step 2: Convert to fraction form
    100,573.08/150,859.62 = 25,690.62/x
  3. Step 3: Cross multiply
    100,573.08x = 150,859.62 × 25,690.62
  4. Step 4: Simplify right side
    100,573.08x = 3,875,677,170.76
  5. Step 5: Solve for x
    x = 3,875,677,170.76/100,573.08
  6. Step 6: Final answer
    x = 38,535.93

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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.