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Finding the Fourth Proportional to 100,359.59, 150,539.45 and 25,485.35

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Solution

The fourth proportional to 100,359.59, 150,539.45 and 25,485.35 is: 38,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,359.59 : 150,539.45 = 25,485.35 : x
  2. Step 2: Convert to fraction form
    100,359.59/150,539.45 = 25,485.35/x
  3. Step 3: Cross multiply
    100,359.59x = 150,539.45 × 25,485.35
  4. Step 4: Simplify right side
    100,359.59x = 3,836,549,691.93
  5. Step 5: Solve for x
    x = 3,836,549,691.93/100,359.59
  6. Step 6: Final answer
    x = 38,228.03

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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.