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Finding the Fourth Proportional to 150,411.48, 225,597.06 and 71,575.80

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Solution

The fourth proportional to 150,411.48, 225,597.06 and 71,575.80 is: 107,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,411.48 : 225,597.06 = 71,575.80 : x
  2. Step 2: Convert to fraction form
    150,411.48/225,597.06 = 71,575.80/x
  3. Step 3: Cross multiply
    150,411.48x = 225,597.06 × 71,575.80
  4. Step 4: Simplify right side
    150,411.48x = 16,147,290,047.15
  5. Step 5: Solve for x
    x = 16,147,290,047.15/150,411.48
  6. Step 6: Final answer
    x = 107,354.11

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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.