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Finding the Fourth Proportional to 100,157.40, 150,235.79 and 25,283.52

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Solution

The fourth proportional to 100,157.40, 150,235.79 and 25,283.52 is: 37,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,157.40 : 150,235.79 = 25,283.52 : x
  2. Step 2: Convert to fraction form
    100,157.40/150,235.79 = 25,283.52/x
  3. Step 3: Cross multiply
    100,157.40x = 150,235.79 × 25,283.52
  4. Step 4: Simplify right side
    100,157.40x = 3,798,489,474.76
  5. Step 5: Solve for x
    x = 3,798,489,474.76/100,157.40
  6. Step 6: Final answer
    x = 37,925.20

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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.